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Speaker 1: Welcome back, won't leading in the car? Doctor at your service?

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Speaker 1: Get on over and talk to Bob Goldsboro, Maine. Yes, sir,

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Speaker 1: how can I help you? Bob? Hi?

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Speaker 2: This is Bob. I have a two thousand miles to MPV. Yes, sir,

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Speaker 2: with a two point five ford didn't it okay? And

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Speaker 2: I got one hundred and sixteen thousand. I'm concerned about

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Speaker 2: struts and rear shocks. They don't show any leaks, But

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Speaker 2: should I get rid of them?

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Speaker 1: Any signs of noise? No, everything's dry, no noise, quiet ride.

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Speaker 2: It seemed to be. I'd leave it alone because I'm

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Speaker 2: the kind of guy who likes to get rid of

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Speaker 2: things before they give you trouble.

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Speaker 1: Well, you know, one of the things I can say

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Speaker 1: about struts and shocks on vehicles today, it's not like

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Speaker 1: you know days gone by, when if it's going to deteriorate,

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Speaker 1: it's going to do it slowly. Now, that's not to

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Speaker 1: say because you're in Maine you get a bit of

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Speaker 1: snow up there. I'm sure they put some salt on

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Speaker 1: the road. That's not to say I wouldn't perform an

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Speaker 1: annual safety inspection for suspension and steering to make sure

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Speaker 1: things aren't rusting or rotting out, but the fact becomes

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Speaker 1: that to properly replace struts in that vehicle can be pricey. Oh,

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Speaker 1: because it's going to be struts, it's going to be

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Speaker 1: the rubber perches, it's going to be all the little

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Speaker 1: you know parts and do deads in between, you know,

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Speaker 1: when we do Toyota Camri's, for example, we'll replace you know,

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Speaker 1: bumpers and stops and insulators and struts, and twelve hundred

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Speaker 1: dollars later, you got two front struts in the car.

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Speaker 1: So you know, yes, I mean, listen, is the right

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Speaker 1: quality going to be improved? Yes? Is it going to

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Speaker 1: be improved twelve hundred dollars worth? I don't think so,

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Speaker 1: you know, And that's really what it comes back to,

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Speaker 1: because changing struts today is not you know, it's not

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Speaker 1: two hundred dollars to put two struts in a car.

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Speaker 1: And if it is, they're not the quality, or they're

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Speaker 1: not done properly, or something's wrong somewhere.

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Speaker 2: The ony experience I had with struts was an eighty

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Speaker 2: four te Bird, and they were quite.

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Speaker 1: Simple, right, and that that really wasn't a strut, that

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Speaker 1: was a that was just an oversized shock absorber that

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Speaker 1: they were selling as a strut, which really wasn't all right.

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Speaker 1: What you have is a McPherson strut coil spring attached within.

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Speaker 1: You know, there's parts involved. There's going to be some

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Speaker 1: fairly extensive labor involved in pulling the front suspension apart.

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Speaker 1: So my vote is if it's not showing any signs

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Speaker 1: of wear and tear, and everything looks okay and the

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Speaker 1: corrosion level is good, I'd leave it alone.

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Speaker 2: Okay, Well, I know the comment, Yes, sir, I fell

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Speaker 2: it with the tours. You think it was a wheel

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Speaker 2: bearing would have sounded just like my ninety five Windstar, which.

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Speaker 1: Is basically a tourist platform.

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Speaker 2: Yeah, tours, and I did have a bad wheelbaring get

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Speaker 2: fifty thousand miles.

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Speaker 1: Okay, Yeah, it's not uncommon. That's why I say. And

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Speaker 1: you know, sometimes sometimes when I'm diagnosing a car, whatever

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Speaker 1: the problem, if I'm doing a performance issue, driveability, and

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Speaker 1: a check engine light, I'll do a smoke check. I

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Speaker 1: may not have any reason to do a vacuum test

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Speaker 1: other than it's part of the list and I just

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Speaker 1: want to eliminate the possibility of it being so. So

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Speaker 1: when you're looking for a vibration. You may not think

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Speaker 1: it's a wheel bearing. Throw it up in the air,

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Speaker 1: listen with a stethoscope. At least you can check that

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Speaker 1: off your list and say, we know it's not a

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Speaker 1: wheel bearing because it's quiet, and you know, at that point,

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Speaker 1: you know, you kind of go on from there. But

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Speaker 1: excellent point. You know. Sometimes what I always like to

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Speaker 1: think of is that, you know, sometimes to find out

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Speaker 1: what's bad, you have to know what's good, sure, and

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Speaker 1: that's the way the game gets played.

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Speaker 2: Okay, well, thanks for helping.

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Speaker 1: You're welcome, Bob good talking to me. Let's go over

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Speaker 1: and talk to Robert A. Tumwell, Iowa, the home of

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Speaker 1: Radar O'Reilly so gosh, I guess how tum was always

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Speaker 1: going to be known for that? Robert, how can I

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Speaker 1: help you?

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Speaker 3: Sir?

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Speaker 2: Well?

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Speaker 4: I do, and I've got an out to poor buick

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Speaker 4: and don't get very good gas minage. And then a

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Speaker 4: lot of times, you know you've been going down the road,

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Speaker 4: you know, the service end of lab will come on, okay,

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Speaker 4: and then might go to remodel and go off, and

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Speaker 4: then the security light comes on. IM off.

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Speaker 1: Sometimes what code's in the car you don't know yet. No,

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Speaker 1: All right, before we even have any conversation about fuel

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Speaker 1: economy and all that that entails, Robert, you've got to

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Speaker 1: get it to a repair shop, have him scan it

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Speaker 1: for codes. Have them look at codes for drive train,

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Speaker 1: you know, as far as the PCM is concerned, and

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Speaker 1: security codes. Because we could have a conversation about fuel

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Speaker 1: economy that will encompass fifteen minutes and you'll come back

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Speaker 1: to me and say, well, I had an oxygen sensor

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Speaker 1: code in the car. Good. That whole conversation just went

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Speaker 1: out the window because a bad O two would clearly

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Speaker 1: cause a drop in fuel economy. And I'm not saying

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Speaker 1: that's your problem, but you know, you can't have a

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Speaker 1: conversation about fuel economy on a vehicle with a check

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Speaker 1: engine light that comes on. It just doesn't go together.

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Speaker 1: It's like getting ready to run a race and you

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Speaker 1: won't give up smoking. It doesn't make any sense.

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Speaker 4: Yeah, and you know, I think I bought a lemon

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Speaker 4: on them all just because I've at twenty nine thousand

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Speaker 4: the first alternator went out, and then five years to

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Speaker 4: the day I bought it at Napa Store and Hot Spring,

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Speaker 4: South Dakota and five years that I bought a lifetime

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Speaker 4: and it went out because he asked my name one

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Speaker 4: if had a receipt, and I said yeah. He said,

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Speaker 4: ain't that funny you bought that five years ago day

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Speaker 4: in hot Spring, South Dakota.

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Speaker 1: Well, and that they must have some significance in the

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Speaker 1: grand cosmos of the universe, right, But I understand your point,

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Speaker 1: my point being that, and I understand what you're saying, Robert,

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Speaker 1: get it scanned, get a check engine, lights squared away

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Speaker 1: in it. Call me back next week, let me know

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Speaker 1: what the codes are. We'll talk about it from there.

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Speaker 1: Thanks for calling. Well, I can tell by the sound

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Speaker 1: of the music it's carcare corner time join me. So,

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Speaker 1: how do you take care of the exterior of the car?

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Speaker 1: You know, we talk all the time about taking care

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Speaker 1: of the mechanical things and making sure that the vehicle

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Speaker 1: runs properly and that it's safe. But a lot of

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Speaker 1: you are asking questions with regard to how do you

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Speaker 1: take care of the outside of the car? Well, Number one,

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Speaker 1: the car should be washed on a regular basis. A

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Speaker 1: good commercial car wash with proper equipment will actually do

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Speaker 1: wonders for the outside of an automobile. Today and in

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Speaker 1: very few cases be a bad thing to do. It

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Speaker 1: doesn't hurt the paint like it once did. They've made

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Speaker 1: great improvements to automatic car washing equipment. But aside from

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Speaker 1: the actual wash and the cleaning, waxing and polishing, some

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Speaker 1: of you are confused as to what's the difference. Well,

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Speaker 1: waxes wax, Wax protects is polish polishes. Polish brings the

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Speaker 1: paint back to a nice glow and a luster, while

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Speaker 1: the wax protects that glow and it should be applied separately.

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Speaker 1: Read the directions on the can you're going to use.

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Speaker 1: Depending upon the brand of wax you're using, you're going

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Speaker 1: to use first a Sometimes there's something called a cleaner

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Speaker 1: wax which will help remove any of the contaminant out

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Speaker 1: of the paint or the film or the clearcoat that's

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Speaker 1: on top. Or you might even have to go through

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Speaker 1: a three step process where you're first removing and compounding

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Speaker 1: to remove heavy contaminant, then you're doing a wax, and

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Speaker 1: then you're doing a polish. But the bottom line becomes

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Speaker 1: that if you want to take care of the outside

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Speaker 1: as well as the inside of the car and the

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Speaker 1: mechanical side of the vehicle. You need to start to

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Speaker 1: look at waxes and polishes, very important. Good for the paint.

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Speaker 1: It's going to restore the luster. To me, a clean car,

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Speaker 1: a shiny car rides better, ride smoother, and it makes

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Speaker 1: it much more enjoyable to own and operate. This has

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Speaker 1: been the Carcare Corner with me, Ron and Any and

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Speaker 1: the car Doctor. Hey, hey, welcome back Ronini and the

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Speaker 1: card Doctor. Let's get over and talk to Judy Springfield, Missouri. Yes, Judy,

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Speaker 1: how can I help you?

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Speaker 3: Hey, thank you for taking my call.

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Speaker 1: You're welcome.

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Speaker 3: I appreciate your show so much. We all listen to

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Speaker 3: it because it's got so much information.

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Speaker 1: Well, I appreciate all you guys taking the time to listen.

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Speaker 3: I was calling because I have a Ford con Tour

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Speaker 3: ninety eight little six cylinder all right, that had the

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Speaker 3: timing chain fell apart, and so I got that replaced.

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Speaker 3: But it seems as though after that, my guess mileage

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Speaker 3: has gone down. Now it's all within parameters. While I

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Speaker 3: was waiting, I got the code numbers. It's one seventy

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Speaker 3: one and one seventy four.

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Speaker 1: Right, lean fuel condition, both banks?

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Speaker 3: Right?

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Speaker 1: Okay?

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Speaker 3: Is that the timing chain or is it something else

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Speaker 3: going on?

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Speaker 1: Well, let me ask you this question. Did the how

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Speaker 1: long ago was the timing chain repaired?

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Speaker 3: Well, the guests has changed immediately. It was about a

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Speaker 3: year ago.

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Speaker 1: Okay? Here and when did and when did the check

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Speaker 1: engine light come on?

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Speaker 3: Off and on ever after that? But it doesn't stay

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Speaker 3: on all the time, all right, when it's reset, and

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Speaker 3: it doesn't depend up eriving conditions. It'll just come on

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Speaker 3: when it wants to.

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Speaker 1: You have the same code as the repair of the

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Speaker 1: week at the top of the hour, all right, But

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Speaker 1: right the Saturn LS two had lean codes lean conditioned

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Speaker 1: both banks. Now you know the way I would tell

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Speaker 1: somebody to diagnosis. Knowing about the timing chain is good,

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Speaker 1: but we're still going to go through the same diagnosis.

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Speaker 1: You got a pencil I do. Okay. We want to

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Speaker 1: know what fuel pressure is? Fuel pressure and volume, all right,

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Speaker 1: And the easiest thing to do is they hook up

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Speaker 1: a fuel pressure gauge. It's a shrader valve right on

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Speaker 1: top of the fuel rail and that'll give you fuel pressure.

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Speaker 1: And if you're using a decent fuel pressure gauge, it'll

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Speaker 1: have a bleed off port on the side. If they

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Speaker 1: pushed the relief button, and while the vehicle's running, the

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Speaker 1: fuel pressure gauge bleed off, fills a Snapple bottle. Here's

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Speaker 1: a good reason to go get that peach Snapple. If

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Speaker 1: it fills a Snapple bottle in fifteen to twenty seconds

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Speaker 1: thirty at the outside, it's got good volume. So we

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Speaker 1: can take fuel off the list and fuel delivery off

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Speaker 1: the list, all right. If the fuel filter hasn't been

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Speaker 1: changed in twenty thousand miles, it wouldn't hurt to pull

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Speaker 1: it down and try blowing through it. But that generally

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Speaker 1: won't cause a one seventy one one seventy four. As

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Speaker 1: a matter of fact, the Saturn had a black air filter.

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Speaker 1: That's how dirty it was. Made no difference, yeah, you know,

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Speaker 1: And I put the new I left the old air

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Speaker 1: filter in after I changed it with the new sensor,

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Speaker 1: just to prove that that would fix the car. And

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Speaker 1: then before the car left, I put a new air

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Speaker 1: filter in it, so I can I can tell you

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Speaker 1: that it doesn't have that much bearing on it. Fuel

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Speaker 1: delivery need to look for vcuum leaks, all right. The

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Speaker 1: easiest way is with a smoke machine. If they don't

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Speaker 1: have a smoke machine, which is a device that you

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Speaker 1: take an intake codes off, pump the system up, fill

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Speaker 1: it with smoke. And if they don't have a smoke

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Speaker 1: machine in this day and age is a repair shop,

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Speaker 1: I don't understand how they're fixing cars because you can

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Speaker 1: just do so much with it. It's worth every penny

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Speaker 1: of it, all right, And they're not expensive. They're under

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Speaker 1: two grand now. And you can actually buy an evap

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Speaker 1: smoke machine which does both, and it's well worth the money.

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Speaker 1: And it's something you're gonna need, like you're gonna need

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Speaker 1: wrenches on a car from twenty years ago. So a

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Speaker 1: smoke check for vacuum using a small bottle of propane

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Speaker 1: with a bleeder port up top, if they don't sniffing

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Speaker 1: around looking for changes in fuel trim and or the

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Speaker 1: oxygen sensor to see if propane is being drawn in anywhere.

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Speaker 1: Once we know it has no vacuum leaks, once we

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Speaker 1: know fuel pressure is good, now we've got to make

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Speaker 1: a decision. Did they do something wrong with the timing

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Speaker 1: chain install? Is it off of tooth? Is this a

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Speaker 1: dulo overhead cam motor?

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Speaker 3: Of course?

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Speaker 1: Okay, so you know we could be off of tooth

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Speaker 1: on on a cam. So now they're going to have

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Speaker 1: to go back in and let's see, let's do a

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Speaker 1: vacuum test. What's manifold vacuum, and then they may have

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Speaker 1: to pull covers off to make sure their marks are

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Speaker 1: lined up right. Once they get through all this and

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Speaker 1: they don't find anything wrong, I want it well. I

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Speaker 1: want to hook a scan tool up beforehand, because I

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Speaker 1: want to be looking at fuel trim and two sensors

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Speaker 1: and seeing how things are changed and affected. But I

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Speaker 1: want to go in and look at the barro pit

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Speaker 1: b a ro the barometric pressure sensor reading. All right,

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Speaker 1: on a Ford product keon engine running ad idle or

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Speaker 1: keon engine off, it starts at one hundred and fifty

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Speaker 1: nine hertz or one hundred and fifty nine degrees of frequency.

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Speaker 1: Let's call it hurts. That's what the value is, all right,

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Speaker 1: when you start the car, and that's one hundred and

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Speaker 1: fifty nine herts at sea level. You start the car

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Speaker 1: and the engine's running, it'll stay one hundred and fifty

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Speaker 1: nine one hundred and fifty six her something along those

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Speaker 1: lines when you run down the road. If that value

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Speaker 1: is under one hundred and fifty you could possibly have

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Speaker 1: a dirty mass airflow sensor, which requires cleaning and or replacement. See.

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Speaker 1: The other thing we got to look at here is

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Speaker 1: where's fuel trim? All right, because we have to have

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Speaker 1: that conversation. There's a short term fuel trim and a

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Speaker 1: long term fuel trim. If zero is middle and a

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Speaker 1: balanced fuel mixture, Judy, you're probably going to see a

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Speaker 1: short term fuel trim in excess of twenty percent and

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Speaker 1: long term fuel trim in excess of twenty or twenty five.

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Speaker 1: All right. And if that's the case, this vehicle truly

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Speaker 1: is running lean. Now you've got to find out why.

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Speaker 1: And you can go back and do some of those

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Speaker 1: tests that I talked about. If they didn't do a

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Speaker 1: timing chain, if this vehicle hadn't been taken apart and

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Speaker 1: that's when the problem period right after that, it would

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Speaker 1: probably make the diagnosis a little bit easier. But we

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Speaker 1: can still fix it because it's only a car and

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Speaker 1: we're smarter than it. All right. They've got to go

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Speaker 1: through step by step. But you know, one of the

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Speaker 1: barometers to look at is look at that barrel pit.

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Speaker 1: That is a calculated value. There is no barometric sensor.

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Speaker 1: There is no barometric pressure sensor in that vehicle. What

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Speaker 1: the computer does is it looks at it makes a

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Speaker 1: calculation based off engine load O two sensor activity and

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Speaker 1: mass airflow sensor requirement, and it makes a calculation there

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Speaker 1: as to what the barrow is. And they do this

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Speaker 1: for a variety of reasons which time doesn't allow me

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Speaker 1: to get into. But just take it for me. If

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Speaker 1: it's less than one hundred and fifty, you've got a

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Speaker 1: lean condition. Take a look at the mass airflow sensor.

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Speaker 1: Chances are you're going to see it's real, real dirty.

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Speaker 1: When they don't find anything else wrong, tell them to

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Speaker 1: start paying attention to that and consider cleaning it or

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Speaker 1: replacing it, and it'll probably fix the vehicle. But they

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Speaker 1: got to go through all the other tests first. Call

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Speaker 1: me back, let me know what happened. You're very welcome

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Speaker 1: back to wrap it up right after this, Rock Rod

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Speaker 1: six seven o'clock, Hey the clock, Rock nine, ten, eleven o'clock,

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Speaker 1: twelve o'clock Rock. We're going to rock around the clock tonight,

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Speaker 1: right soup join me, Hey, Hey, hey, welcome back. Ron

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Speaker 1: on any in the card docket. Let's do a quick

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Speaker 1: lightning round. You can see if we can get everybody

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Speaker 1: with some car answers before we go off air today.

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Speaker 1: Joe from Queen's ninety eight and Aissan Ultimate. There's a

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Speaker 1: noise in the back, sounds like a bushing. There is

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Speaker 1: a reaction trunnion, most likely in the back of this vehicle,

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Speaker 1: which is part of the stabilizer bar system. The bushing

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Speaker 1: and the center of that reaction trunnion does go bad

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Speaker 1: from time to time. Be sure that that's okay before

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Speaker 1: you go looking anywhere else. Yes, they do have strut issues. Yes,

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Speaker 1: they do have sway bar bushing issues. That reaction trunion,

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Speaker 1: if it's so equipped, is common to fail and becomes

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Speaker 1: an issue. Showing from the car in North Carolina, Oh

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Speaker 1: one Ford Mustang at around forty to forty two miles

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Speaker 1: an hour, the trans kind of jumps around trying to

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Speaker 1: shift gears. That is an electronically controlled transmission. So you

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Speaker 1: want to look to see where does the valve body

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Speaker 1: input go. You want to scan it for codes number one?

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Speaker 1: Does it have any pending codes coming up when the

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Speaker 1: problem happens? What does the vehicle speed sensor read to

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Speaker 1: the PCM even though the speedometer is not jumping. What's

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Speaker 1: the vehicle speed sensor input doing, and then what does

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Speaker 1: the rest of there should be a state or output

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Speaker 1: shaft sensor as far as what's controlling it, what is

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Speaker 1: that doing as well? But scan trans sensors looking for values,

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Speaker 1: making sure everything's in line with what it's supposed to be,

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Speaker 1: because that's going to have direct influence on how that

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Speaker 1: transmission operates. Sorry, folks, gotta go. The clock's gonna grab me.

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Speaker 1: I'm ronning ay in the car doctor until the next time.

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Speaker 1: If the mechanics aren't expensive, they're priceless. See it.