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Prev Professional Automotive Repair Technical Discussions for March 22, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
1991 BMW 325i 2.5L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: WBAAD2319L
Hello Everyone, I have this bmw that is giving me a headache. It has a bad idle and when accelerating has no power. My foot would be on the floor and it doesn't accelerate as it should. Plugs, cap rotor filters are all new. I motorvac'd that car thinking mayb... Trouble codes: 10 (O2 sensor control)
1992 Buick Park Avenue 3.8L starter VIN: 1G4CW5316N
this vehicle came to me as a no start- no crank. Cust had pulled starter and tested-ok. got the car and saw security light on steady. passkey system type ignition. Verified wiring from igntion switch to starter enable relay ok. Verified wiring after relay (neu...
1995 Buick Riviera 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G4GD2217S
the car came to me with the check engine light on and a poor idle.scan test code 171 the sort term and long term fuel trim high.the o2 sensor was lean at idle and 2000 rpm.ichanged the o2 sensor and spark plugs.the o2 sensor would still read lean at idle but w... Trouble codes: 171 (fuel trim lean)
1979 Chevrolet Monte Carlo 5.0L pinon VIN: 1Z37H9B425
this is a malox moment i have a monte carlo 7.5 rear it has started to make a wherring noise from the rear end if you let up on the gas the noise gos away i put the car on a lift the noise is coming from the pinon bearing also 1 wheel bearing i am not sure if ...
1993 Chevrolet Lumina 3.1L Stall, incorrect rpm VIN: 2G1WL54T6P
I have a strange one here. This one was given to me on Friday from one of the mechanics I work with as he had given up on it. This car came as a dying problem. When the other mechanic checked it out he found that the RPM on the data stream was incorrect. It re...
2004 Chevrolet Silverado 1500 5.3L 2-3 shift VIN: 2GCEK19T74
According to customer, transmission suddenly quit going into third gear, can I test solenoids with 12V. Any one run across this problem, some help would be much appreciated. Is there away to check solenoid verses converter or third gear clutches. I have an OTC...
1999 Dodge Dakota 3.9L Excessive Emissions VIN: IB7GG26XXX
this truck has no egr and failed emmissions for nox, we did carbon clean, complete tune, plugs, wires, cap, rotor, oil change, air filter and oxygen sensor, nox went higher, had cat. tested and it failed, it was only two years old, new cat. brought nox to almo...
2000 Ford E-450 Econoline Super Duty Custom 6.8L abs VIN: 1FDXE45SXY
Hello group, Hope i can get some help, I have a Ford E450 2000 V10 Superduty chassy with a Coachman 285QB Pathfinder camper on back, The amber ABS light is on, red brake light is off. I ohmed all sensors and found front right 2400 ohms good, front left open, b...
2005 Ford Freestar SE 3.9L Poor Idle Quality, Poor Fuel Economy VIN: 2FMZA5764B
vehicle idles rough all through driving range idle,cruise etc. i'm limited to my otc nemisys. when i first viewed vehicle it had a p0303, p0304 and p0316. i checked those cylinders no problen there. cleared codes and DTC'S started flying every where nothing th...
2005 GMC Sierra 1500 5.3L Oil Pressure Guage
First post and kinda long, so please bear with me. Also forgot "R.O." at shop. Truck is an escort truck, with a C.B. radio installed. Has had a GM crate motor installed by another shop. Customer said that all wiring to C.B. was run the same way as before ne...
2002 Honda Civic LX 1.7L Poor Idle Quality VIN: 1HGES15512
Vehicle came in for gear lube change, eng. mount, and irregular idle. MIL was on. Only code P0505 was in ECM. Factory procedure from alldata called for bypassing iac and observing idle speed- if still improper try cleaning passage in throttle body. Cleaned thr... Trouble codes: P0505 (idle control system malfunction), P1519 (iac circuit malfunction)
2002 Hyundai Santa Fe GLS 2.7L misfire VIN: KM8SC13D62
hello to all i am a gm tech first time working on huyndai,car came in with cylinder no2 and 6 coolant in cylinder and engine ran fine but eventuly will over heat,i replace the headgasket used felpro set also new head bolts after that cylinder 1 2 3 misfires af...
1993 Nissan Maxima GXE 3.0L No Start VIN: JN1HJ01F5P
Hello all would like some more input on this no start problem.This car has no spark or injection pulse.The check engine lamp does not light, if I ground at the ecm light will come on. The noid lights in the computer don`t light either. Checked all battery inpu...
2003 Subaru Legacy L 2.5L air bag VIN: 4S3BH63563
Hi there, our issue is with a hard set code 31 in the air bag system, and upon checking in identifix no code info was available and no info was published on the manufacture site. I am just trying to track this code down and find a flow chart to diagnose it. Th...
1997 Volvo 850 GLT 2.4L a/c compressor VIN: YV1LS5640V
hello all i am working on a high mileage 850 that has a siezed a/c compressor. the costomer does not want to put too much more money into the car. i know in europe some volvos are not equiped with a/c. does anyone know the correct size serp. belt and routing ...
2005 Volvo S60 2.5T AWD 2.5L abs VIN: YV1RH59265
Hello Volvo Techs! I have a 05/Volvo S-60 AWD turbo. Brake failure message is on. Only codes relating to ABS are CEM 1A5F(commucation missing from Brake control Module)and ECM 900B(brake padal sensor) The used car dealer bought a used BCM from Erie Volvo and ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Acura CL 3.0L Cuts out VIN: 194YA225XV
it's been a week and all is good. I guess it was a faulty sensor as per my update. thank you all for taking the time to write replies. Trouble codes: P1362 (tdc no signal), P1367 (tdc no signal).
1993 BMW 740iL 4.0L rear end VIN: WBAGD832XP
after lots of study, we drained one quart of atf out of the trans, and refilled with a transmission conditioner. now the trans is smoother, and seems to offer no resistance. talked with se veral trans techs, and they said it may have a sticking valve keeping ...
1999 Buick Century Custom 3.1L Ign. Lock Cyl. VIN: 2G4WS52M6X
I am overwhelmed & grateful to all who replied to my help request. I have r & rd many a lock cylinder over the years, be they stuck in one position or another. This was the first time I recall having to grab the drill. Fred [...] was correct as were the ot...
1999 Ford Explorer Eddie Bauer 4.0L high idle VIN: 1FMZU34E0X
Thanks for all the good response. I got some that questioned the MAF reading I was getting but it was correct according to Alldata. Gregory gave me the best help in solving one of the problems with this one, a leaking PCV separator (canister). The canister was...
2006 Ford Escape Hybrid 2.3L hcu VIN: 1FMCU96H96
Unfortunally after all effort done to fix this I coundnt do it. Let me summarize telling that I can say for sure that every step was done correctly and I jump to the conclusion that there should had been some internal problem inside Modulator that makes the pr...
1984 Honda Civic 1.5L Stall VIN: JHMAK5430E
Thanks to all for good info. The aftermarket ignitor was failing, I warrantied it to repair. Next time I'll buy a Honda or a repackaged OEM ignitor. Whaddya do?
2007 Mazda 6 S 3.0L electric window VIN: 1YVHP80D27
Easy fix for this one was to reprogram the windows. What I had failed to mention was that the customer had the battery replaced the same week he started having this problem. Reprogramming is simply run down the passenger window all the way, then raise the pass...
1999 Mercury Sable LS 3.0L air bag light VIN: 1MEFM58UXX
Sorry for the delay. So after replacing the SIR module and the pulling my hair out for countless hous I drove this thing to a friends shop to verify I wasnt dealing with a scan tool issue. I drove 1.5 - 2 miles and SIR light flashed 6-7 times and went out. Now...
2001 Nissan Pathfinder LE 3.5L soft pedal VIN: JN8DR09YX1
hello everyone it was the rear compestion valve thanks every one
1961 Other European S2 6.2L solenoid valve VIN: B409LCTXXX
Thank you again, gentlemen. It appears I was on the right track thinking the "Danfuss" device was a solenoid. According to some of the replies it was suggested that it would have been used to restrict refrigerant flow to a rear evaporator unit in a dual syste...
1987 Porsche 924 S 2.5L No Start, Poor Idle Quality, Cuts out VIN: WPOAAO9XHN
This vehicle was a tough fix due to our inexperience with diagnostics on a porsche. We went over everything again starting with the maf sensor. We pulled the cap and checked adjustment it was slightly out of spec sent to us from all datas library. We also repl...
2003 Saab 9-3 SE 2.0L Accessories VIN: JN10259426
thanks to all that replied i sent the car to the dealer to be reprogrammed they said they could not program it because the front door modules were not communicating they wanted to replace them 250 each i had my guy bring the car back to the shop i pulled the d...
2002 Toyota Echo 1.5L Hesitation, Misfire, MIL Lamp on VIN: JTDAT12302
Thanks to everybody who replied. Had to send this one to a friend at Toyota for further diagnoses. He finally got to working on this Echo this weekend and informed me that it kicked him around for a few hours but finally put his finger on the problem. He sta... Trouble codes: P0420.
2003 Volkswagen Jetta GLS 1.8L Excessive Emissions, exhaust oil smoke VIN: 3VWSE69M03
Customer admitted that she was paying around $25-$30 for oil changes and they were not in timely matter. So it wasn't synthetic oil. We found 2 inline check valves in CC vent system completely clogged and replaced them, cleaned out vent hoses and intercooler, ...
2002 Volvo S60 2.3L radiator VIN: YV1RSS53D9
2002 Volvo V70 X/C 2.4L right signal VIN: YV1SZ58D32
Thanks for everyone that help in on this one. Believe or not it was the Wiper Switch causing the problem. Of course the wiring Diagram has nothing on the wiper switch or the signal switch. Im just glad its fixed and out the shop. thanks again
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