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Prev Professional Automotive Repair Technical Discussions for June 13, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi A4 1.8L Poor Idle Quality
Hi techs, this A4 came from local body shop with engine block and tranny installed.The rest of parts came in 3 big boxes (really love this way...).After putting it all back together car has rough idle.I am not able to adapt throttle body both groups 04 - 60 an...
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1993 BMW 730i V8 3000CC 3-4 shift VIN: WBAGD22030
Start car and it runs fine but drive it and on the 3-4 shift it sets trans programme and locks out shifts,return to w/shop and the idle is uneven with the codes 156 & 201 plug in retriever scanner and the idle returns to normal without even erasing codes but 1...
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1998 BMW 318i 1.9L MIL Lamp on VIN: WBACC9321W
Hello all...short history here...check engine light back in February of this year...code kicked at the time P0340...so i replaced the cam sensor. By May, code P1174 kicked...Cam sensor fault...so I 'WARRANTY' the sensor and replace it again...within two weeks.... Trouble codes: 1174 (Cam sensor fault), 1423 (EGI functionality test failed)
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1997 Cadillac Seville SLS 4.6L Unknown VIN: 1G6KS52Y8V
This vehicle has me in great need of someone's help. This vehicle is doing the strangest thing. It does not do it all the time but is pretty consistant. When you first pull away from a stop, in forward or reverse, the ABS pump comes on and it feels as if the b...
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1991 Chevrolet K3500 Cheyenne 7.4L compressor clutch VIN: 2GCHK39NOM
Clutch fails to engage when AC is turned on. I get no voltage reading at the compressor connector. Fuse OK, replaced anyway. Does this year/model have a compressor clutch relay? No specfic listing for replacement relay (at NAPA) but they do have a general repl...
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1994 Chevrolet Camaro 3.4L Misfire, backfire VIN: 2G1FP22S2R
Gave to tech to check and he thought it needed plugs, wires, and coil pack. The data stream for cam sensors looked good and the DTC 82 did not come back. My memory is a little fuzzy but I donít think it had a 3x sensor just a 2x perhaps. Anyway, I called custo... Trouble codes: 46 (pass key II error), 82 (ignition control 3x signal error)
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1992 Dodge Caravan 3.3L compressor VIN: 2B7FH1136N
For the Dodge boys. Customer complaint that the ac blows warm air. Checked for correct charge and found about 8oz low. Recharged with full amount and compressor kick on but when got down to about 38deg kicked off and didn't come back on. One of the other techs...
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1995 Ford Windstar GL 3.8L False Temperature guage readings VIN: 2FMDA5147S
Van came in with temp. gauge all the way in the red. But engine temp is normal about 195-200. Cooling fan does come on at about 218 if the engine is idling sitting still. I have replaced the temperature sender, and the ect sensor but still no change. Also repl...
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1992 Lexus ES300 3.0L timing belt
this car came in on a no start. check the timing belt. the belt lost its teeth. once it was apart to find out waterpump was lock-up replace pump and belt all timing marks are on still no start. check dist. to see if on 1 cyl. and its there. compession is at 10...
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1999 Lexus RX300 3.0L MIL Lamp on VIN: JT6GF10UXX
All scan data looks good on snap on scanner. can't find info on exactly what parameters set this code. Any help from toyota lexus guys is appreciated. thanks again. Trouble codes: 1135 (delay in acheiving closed loop operation)
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1994 Mercury Villager (Van) LS 3.0L crankshaft
i have a customers car that was purchased 2k miles ago. previous owner had the drive belts replaced less than 3k miles ago by a "nissan expert". vehicle was towed into our shop with crank snout snapped off. i have seen this before when the belts are overtighte...
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1995 Mercury Tracer 1.9L A/C and Rear wiper VIN: 3MASM15J9S
Rear wiper fuse blows when key on. Cust. complaint is no A/C operation. Wiper switch off fuse blows. I am sure this is related to the rear wiper motor with igntion power to motor and switch ground circuit on a diagram. Just wondering if there is a common probl...
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1996 Nissan Pickup 2.4L MIL Lamp on VIN: 1N6SD11S5T
Has mil on and p1447 I could use any ideas to test this system. I did block off the vapor hose from the intake just behind the pressure sensor and test drove w/ scanner. The voltage dropped about .10 a volt. should be at least .04v? Seems to be working ok. I'm... Trouble codes: P1447 (insufficent flow purge malfunction)
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1999 Nissan Maxima SE 3.0L Starting
hi nissan tech. had this car tow in. crank no start. find fuse 17 is burn out. replace fuse drive it for few miles burn again. find fuse 17 had 3 wires coming out from it. one is brown, it goes to fuel pump relay. then the sec one is green which goes to alarm ...
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2000 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28Y4Y
Hi Nissan Techs. I have been work on this vehicle for pass few days, did not get resource with the trouble code P1448. Owner brough the vehicle in shop complain while driving the check engine light come on, haven't see the light on before, hook up scanner find... Trouble codes: P1448 (EVAP Vent Control Valve)
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1972 Other European Corniche 6.75L Brakes VIN: CRA12025RR
Hi, I've got a 72 Corniche with brake issues. Extended lack of service led to loss of brakes. I've cleaned and flushed the hydraulics and now have brakes. The master cylinder wasn't doing much and upon replacement we now have a good pedal. Problem is the rear ...
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1994 Pontiac Firebird 3.4L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2G2FS22S9R
this vehicle came in with 4 dead cylinders two wires were open and one of the coil packs were arcing through the side of the tower onto the ignition module. i replaced the plugs, wires, coil pack, and module. the car then ran. now the car has two dead cylinder...
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1994 Pontiac Firebird Formula 5.7L 2-3,3-4 shift VIN: 2G2FV22P6R
we are asking for help or any ideas.This vehicle will only shift to 2nd gear.With scanner installed we found that the gear position reads 1st when in park and 2nd in all other gear selections.We replaced the gear position switch,same readings. we ran the diagn...
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1996 Volkswagen Jetta GL 2.0L No Start VIN: 3VWSL81H5T
Greetings fellow techs.This problem has been going on for more than a year.This car cranks over much too long in the mornings.The problem is not there every morning but it only happens after the vehicle sits for many hours.It has had a new coil installed and t... Trouble codes: 515 (hall effect-intermittent ground)
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1998 Volvo C70 2.3L MIL Lamp on VIN: YV1NC56C6X
Dear group, this is my first post(so some details are missing,I will know for next time!) This volvo will put on MIL light during roadtest.The car drives perfectly but for light on dash.I do not fully understand fault code and cannot cross reference in in any... Trouble codes: 261A (long-term mixture reg.lower partial throttle at stop)
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1988 BMW 325i 2.5L No Start, Poor Idle Quality VIN: WBABB13C7J
received all sorts of replies ranging from injectors, regulator, crank sensor, etc. etc. Should have went with my gut instinct when I saw that the deadend fuel pressure would SLOWLY climb to 60 psi...that I had a bad fuel pump...I dunno why I get all shook u...
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1990 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1G1YY3383L
Many Thanks to All I sure do feel stupid yes you say you are. It was three shorted injectors, instaled 8 new ones and gess what it runs so good it even passed a calif. smog test how do you like that. Agin Many Thankis to All Mike [...] aka egg on face
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1997 Chevrolet K3500 5.7L Stall VIN: 1GDJC34R0V
Several suggestions pointed to exhaust back pressure as a cause. There were a couple of comments about what to do with the crank/cam timing error and a couple other less common issues mentioned (MAF, ECM). We did an exhaust back pressure test. It has 0 backpre... Trouble codes: P1345.
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1998 Chevrolet K1500 Cheyenne 5.7L brake lights VIN: 1GCEK19R6W
really sorry for the late fix. Been nuts at work and i thought i had closed this post. the fix ended up being a faulty brake switch(new), put in a new switch again and all is fine. Once again, sorry for the late post. Thanks to all who replied.
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2000 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Hard start VIN: 2GCEC19T2Y
Thanks guys for the help.I tried to find vacuum leaks internal and external, performed fuel leakdown tests, and monitored on the scanner, all to to finds. I recently had a V-Tronics sales rep come by wanting to give a demo. We tested everything and could not f...
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1989 Dodge Dakota 3.9L Excessive Emissions, Hesitation, Surge, Stall, Poor Fuel Economy VIN: 1B7FL66X1K
we replaced the timming chain as many of you suggested, but although the chain was bad, we had another problem.It seems we were correct with our diagnosis of the throttle body. the replacement one was no good. we replace it with one from a good running truck a... Trouble codes: 21 (running rich), 52 (o2 rich).
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2002 Dodge Intrepid SE 2.7L MIL Lamp on VIN: 2B3HD46RX2
As most of you suggested, - the cam/crank timing was not correct. We disassembled things and tried again. The car is now down the road. Thanks! Trouble codes: P0016 (undocumented).
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1998 Ford Ranger XL 3.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FYTR14UXW
This turned out to be chipped exhaust valve in number 6. The Crank Position Sensor still seems high at idle, I'll have to do a little more reserch on that before returning it. All injector connections were secure and I took a close look at the head gasket for ... Trouble codes: P0306 (Cyl. 6 misfire).
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1998 Ford F-150 4.2L Hesitation, MIL Lamp on, backfire in intake VIN: 1FTZ1729WN
The problem was as a co worker at the police dept I worked at would call a self inflicted injury. I hooked up the fuel gauge again and noticed the pressure didnt rise in response to throttle opening. I knew it rose when I pulled off the vacuum line at the regu... Trouble codes: P0153.
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1998 Ford E-250 Econoline 5.4L speedo prob/no shift VIN: 1FTNE24L6W
we got another van in just like this 1 with no problems. i pulled the cluster out & swapped them around, as expected the new cluster worked perfect in the other van, the other van's cluster did not work in this van. i went through & checked every terminal for ... Trouble codes: P0500.
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1997 Isuzu Rodeo LS 3.2L blower VIN: 4S2CK58V2V
Hey Guys, Most of you hit the nail on the head. I removed the blower motor to inspect it and it was stiffer than normal to turn. I then proceeded to run an amp draw test on it and it was only about twelve amps. This didn't seem too much to me at all, so I th...
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1994 Lincoln Continental 3.8L Unknown VIN: 1LNLM9746R
Well when all replies told me to check the gray connector 4' from the negative battery cable I gave it a try and it worked. One of the two wires was corroded so I cut the connector out and spliced the wires together and the car is back up and running better th...
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1997 Lincoln Mark VIII LSC 4.6L variable steering VIN: 1LNLM92V7V
Had to send this to a Lincoln dealer. It turned out that there is a piece in the firewall that the steering shaft rides on. It was binding inside, preventing the steering wheel from returning.
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1995 Mazda MPV L 3.0L Poor Fuel Economy, MIL Lamp on VIN: LVEW-40292
I recived 9 repliys to this request and all seam to be along a simerler line. It appears any sort of tune probled mayset this code. I recheck the operation of the oxy sensor and it it is working fine. Good voltage and seams to be nice and fast.I gave the vehic... Trouble codes: 17 (feedback system).
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1997 Mercedes-Benz S420 4.2L Misfire VIN: WDBGA43G8V
Hello Everyone, I have got eight replay and in one way or the other you advise me to change the rest of six coils, after checking the harness, and the grounds. I had ispected all before posting, and my take was to replace te rest of the coils, but hearing from...
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1996 Mitsubishi Mirage S 1.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JA3AA11AXT
Good evening Tech's, Got ten replies and most were talking about the valve train leaking, don't use used distributors, use NGK plugs and check for EGR valve hangin. I disconnected the vacuum from the EGR and that took care of the miss at cruise.I still have th...
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1996 Nissan Maxima GLE 3.0L No Start VIN: JN1CA21D6T
Thanks Guys! It turns out that this car had a bad starter. I replaced it and works fine. The customer declined the repair for the keyless entry so I did no further diagnostics.Thanks again for all your expertise!
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1996 Oldsmobile Cutlass Ciera 3.1L airbag controller VIN: 1G3AJ55M9T
Hi and thanks for all the responders. The Airbag controller is between the steering column and the ashtray. There are 2 10 mm nuts firewall side that need to be removed and two 7mm head screws that if removed make it easier to get the controller out of the b...
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1997 Oldsmobile Cutlass GLS 3.1L No Start, Poor Idle Quality, Misfire VIN: 1G3NG52M1V
It's FIXED. Although our scanner said everything was within specs, the only thing that could be happening was the computer was holding the injectors open and, with a cold start, flooding the vehicle creating all the smoke until it warmed up. Thinking along the... Trouble codes: P0300 (random misfire).
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1997 Pontiac Grand Prix GTP 3.8L Stall VIN: 1G2WP1214V
fuel pump resistor was the problem, replaced fuel pump resister car ran fine, thanks to all that helped
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1982 Porsche 911 SC 3.0L No Start VIN: WP0AA0911C
Thanks to all that sent the replies they were all very good, but to no avial. The only thing that was cleared up for me was when the 7th injector/ cold start/ enrichment valve, comes into the starting picture. I always looked at it as a cold start enrichment i...
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2000 Volkswagen Beetle GLS 1.9L high shift points VIN: 3VWCF21C2Y
I think this vehicle is fixed. If I heard back from the customer, I could give a definite answer. But I'll assume, after requesting input from them, and not hearing back, they are happily motoring along. Of course let the thing burp just once, and the phone wi...
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