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Prev Professional Automotive Repair Technical Discussions for July 25, 2009
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Help Request Answers
1995 Audi 90 2.8L Electronic VIN: WAUBA88CXS
bought this car from a customer with no shifting. found third gear clutches torn apart. had a trans builder replace all worn parts. basically did a soft rebuild. now has all 4 gears but only with manual shifting. will not shift automatically. anyone have anyth...
1998 Buick Riviera 3.8L No Start VIN: 1G4GD2213W
First off i can't beleave i am posting this on a GM 3800.We have always been able to troubleshoot and repair this engine. Anyway i could use some help on this one. The car was towed here from a shop down the road.The 3800 code one supercharged engine has good ... Trouble codes: P0706 (also po705 all are low voltge coodes), P1646 (po122-), P0122, P0403 (p0405-), P0405 (p1122-), P1122 (testing and results)
2004 Buick Rendezvous CX 3.4L 4th gear Flair/Slip VIN: 3G5DA03E04
I'm not sure if this vehicle had a 4th gear flair/slip prior to working on it, of course the customer will say no. The vehicle had come in because the vehicle would not start in park @ times, and continued to get worse with time. Complaint of door locks not op...
1988 Chevrolet Corvette 5.7L Cuts out
I have an 88 corvette that cutsout at idle and off idle. I checked the computer for codes and found code 42 EST problem. I installed a new ignition module and I still have the same problem. Today I am going to follow the trouble code chart. I think I may have ...
1994 Chevrolet Camaro Z28 5.7L Interior VIN: 2G1FP22PXR
help chevy guys this z28 keeps blowing horn and courtesy fuse aadata wont come up so no wiring diagrham thaks in advance for help jimmy
2001 Chevrolet Monte Carlo SS 3.8L Surge VIN: 2G1WX15K31
This is my first posting on iATN. My 2001 Chevy Monte Carlo 3.8 Liter surges and hesitates under a load, yet at idle it runs well. After checking fuel pressure, vacuum, and exhaust backpressure I cleaned the injectors with a can of injector cleaner. During the...
2003 Chevrolet Astro 4.3L No Start VIN: 1GNDM19X13
this truck got towed in on friday the driver said that the truck behaved funny before stalling and not restarting the fuel guage went all the way up and then dropped and stayed there as well as some of the instrument cluster lights flashing at him as well. the...
2003 Chevrolet Trailblazer North Face 4.2L Hesitation, Surge, MIL Lamp on VIN: 1GNET16S53
I just replaced the PCM in hopes this would clear up the problem,But It didn't. The 5 Voltage problem is the culprit. Using My DVOM and the 5 volt Pin,coming from the PCM it will vary from 3.00 volts to 4.50 volts,Can't find anything else wrong,Just the varyi... Trouble codes: P635, P221
2000 Dodge Neon ES 2.0L Keyless Remote VIN: 1B3ES46CXY
I have a new Remote Keyless Entry remote that I need to program to the RKE module in my 2000 Neon. I have no existing original key FOB and I do not own a DRB-III. Is there any way I can program the key FOB to the module without the use of an original FOB or sc...
1992 Ford F-150 Custom 4.9L starter VIN: 1FTEX15YON
this truck is killing me . the starter gear will not disengage from the flywheel when the engine is started . does not have voltage on the little wire at starter . has new starter & good used flywheel that matched the old one right down to the casting #s . the...
1996 Ford F-150 Eddie Bauer 5.0L No Start, Poor Idle Quality, Hesitation, Stall VIN: 1FTEF14N1T
This thing is kicking but. We can't seem to get this thing to act up when we want, and when it does its only for few seconds. Vehicle will start to break up and hesitate with little power when accelerating(like from a 25 to 45mph zone). Then it will disapear a...
2002 Ford Escape XLT 3.0L Stall VIN: 1FMYU04112
Thanks in advance, car came in stalled at road speeds but will start up emmediatly. Cold or hot will start right up and run for 10 sec. then die as if the key is shut off. Will start right up and same thing 10 sec. Will not stay running if starting fluid is us...
1999 Honda Odyssey LX 3.5L Poor Idle Quality, MIL Lamp on VIN: 2HKRL1854X
MIL comes on after about 3 days poor idle quality. Not specific to any cyl. O2, Plugs changed. All coils working. Good compression, valves have been adjusted. EACV seems to be working, better cold (may be because of high idle) Runs great apart from idle. Fuel ...
2004 Honda Odyssey EX 3.5L master cyl. VIN: 5FNRL18004
Has trac light on at times. Brakes lock up all 4 tires when depressed and relaesed. Lift up brake pedal with hand or toe all 4 wheels release. Brake pedal feels ok. ABS codes 31-2 pfinh signal failure. Any input?
1997 Jaguar XJ6 L 4.0L Turn signals VIN: SAJHX6241V
The car is coming back tomorrow, and I'm leaning toward the turn signal switch as the cause. However, it costs $463.32 at my local dealer, and there is some doubt on my part that the t/s switch is the culprit. Since I pulled the fuse, the outer lights (3) asso...
2006 Jaguar XJ8 4.2L valve lash spec VIN: SAJWA79B86
need to find out what the valve lash spec is also what can cylinder heads be machined to in process of a valve job and machine shop cannot find either spec available to him or us any help would be great...thanks
1998 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Fuel Economy VIN: 1J4GZ58S1W
I have a 1998 Grand Cherokee ZJ 4 .0L Straight engine not a V6 or V8. It has done 150,171 miles.The problem that i am experiencing is that the engine is Misfiring when idle and it has been consuming too much fuel and it is giving out smoke on it exhaust. The D... Trouble codes: P0171
1994 Mitsubishi Galant ES 2.4L Unknown VIN: 4A3AJ566G1
we have a mit that will stall when it is put into gear forward or reverse... we reset everthing to factory specs... it acts like an older gm with a bad tcc solenoid... we unpluged tcc and still the same..iac counts look good when started it idles up and down t...
2003 Nissan Murano SL 3.5L Throttle Body VIN: JN8A208W93
Just would like to know if anyone has tried to do a carbon clean on one of these trucks and how it turned out.
1995 Pontiac Grand Am SE 2.3L tachometer VIN: 1NL48JFF89
i get a hertz signal from white wire that goes up with rpms voltage stays .765 volts, white wire comes directly from ecm and it shows it might tie in one place on diagram but doesnt say where, im going to try an analog rpm tester tomorrow, but would like to kn...
1996 Toyota Tacoma DLX 2.7L Stall VIN: 4TAWM72N4T
installed new head. customer did not pickup for over a week. we had let the engine run several times for 20 mins or more. took for a test drive & moved several times. customer picked up vehicle got about 10 blocks away & it died! p1300 code showed up. was able... Trouble codes: P1300 (ignitor circuit)
1975 Volkswagen Beetle 1.6L Poor Idle Quality, Backfires VIN: 1352138886
This is one for you VW bug buffs. When the owner brought this to me you could here it popping on occasion just sitting idling. The previous owner went through this car but must have got something wrong. After putting it on my scope I could see the firing line ...
2004 Volkswagen Beetle GLS 1.8L convertible top VIN: YX4M306785
hello to all volkswagon technicians. i need your help!!! i replaced the right rear window regulator on this convertible new beetle. to do this you need to lower the convertible top. now the top wont close, and the lighted covertible top icon near the clock is ...
2005 Volkswagen Touareg 3.2L Poor Idle Quality, MIL Lamp on, noise VIN: WVGBG77L75
New customer came in with complaint of noise in engine. Checked underneath hood and heard a noise like a vacuum leak coming from what appeared to be an oil filler cap, but according to the emission label was part of the crankcase ventilation system. It has 2 w... Trouble codes: P0507 (idle air control system RPM to high), P0480 (Fan 1 control circuit), P0300 (Random misfire detected), P0301 (Misfire cylinder 1), P0303 (Misfire cylinder 3), P0304 (Misfire cylinder 4)
2004 Volvo XC90 T6 2.9L cam timing VIN: YVTCZ91HX4
Against the advise of friends I am trying to help out my wife's friend. I was told not to mess with a Volvo, now I know why. I am attempting to do the timing belt. After installing a new belt when turning over by hand at the crank bolt the engine turns about 3...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Cadillac Eldorado 4.6L engine VIN: 1G6EL12YY0
first of all thanks to everyone that took time to offer help. i removed the timing cover to look for debris in oil pump. found none. reassembled and performed process in bulletin . torque balancer and overfilled crankcase with 10 qts. started up and oil press...
2003 Chevrolet Trailblazer North Face 4.2L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GNET16S53
I want to Thank all of You that Helped in my dilema. I did some checking of the system,and found out the PCM was/is the problem. The 5 volt reference was flucutating,from 3.00 to 4.50. Have a New PCM coming for it,So I'm posting this one Fixed,But I do want to... Trouble codes: P635, P271, P221, P220, P452.
2005 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDMI2WL2
Sorry guys it took me so long to answer this one.First i wanna thank everybody who replied to this problem.It did turn out to be the air valve on the side of the head.It was stuck and i dont reccomend cleaning it.Just replace it and the mil light will not come... Trouble codes: P0140.
2001 Ford F-350 Super Duty Lariat 7.3L power steering pump VIN: 1FTSW31F71
Thank you to all who replied. I contacted AGR performance on the recommendation of one of the replies and they explained the benefits of their update kit. I then contacted the customer and relayed the information to them. They opted to not spend that kind o...
1996 GMC Jimmy 4.3L dies when stopping VIN: 1GKDT13W8T
Pulled the fuel pump assembly and found that there has been an aftermarket fuel pump used with the flex feed hose replaced by a rubber fuel line which was kinked. Also found the strainers plugged. I believe the fuel line was restricting fuel flow along with th...
2000 Jeep Cherokee Sport 4.0L Low Pressure Port VIN: 1J4FF48SXY
Schrader valve is my main suspect as it was initially when I posted the inquiry. Thank all of those who actually scratched their nogen and came up with actual solutions as opposed to just wise crack jargon. To those I leave you with this: "Wise men talk bec...
2000 Mazda 626 ES 2.0L shifter cable VIN: 1YVGF22C9Y
Hello, and Thanks to all who tried to help. The three replies that I received all agreed that the dashboard and the heater box must be removed. This is the fact and the job is more difficult due to the lack of step-by-step instructions in any of the references...
2001 Mercedes-Benz C240 2.6L ABS module VIN: WDBRF61J21
Thanks to all of you who responded. The car is fixed. From what I can see and some of you suggested, there is no 38 pin connector on this car. All diag. is done thru the OBD2 connector. I was able to retrieve a right rear wheel speed sensor code from the engin...
2001 Nissan Pathfinder LE 3.5L Lighting VIN: JN8DR09YX1
Thanks for the replies, Mike was right . the remotes are different. The customer found some reasonably priced online,we are waiting for them to arrive. thanks again
2005 Nissan Altima SE-R 3.5L noise VIN: 1N4BL11DX5
Thank all of you for your help the problem was found at the cam-tentioner
2006 Volkswagen Jetta 2.0T 2.0L MIL Lamp on VIN: 3VWAJ81K76
I really want to thanks everybody that took their time to reply Thomas was the first to led me into the code P0299 and the TSB 2013392, I remove the turbo recycle valve N249 from underneath the car (easily) and found broken diaphragm, Robert [...] & Christian ... Trouble codes: P0299 (Turbo underboost), P2293 (Fuel pressure regulator).
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