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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 29, 2013
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Open Help Requests for GM
Help Request Answers
1990 Buick Century Custom 3.3L No Start, Hesitation, Cuts out, Stall VIN: 1G4AH54N1L
Hello , This car came in our shop with history of stalling,cutting out under load. Hot or cold intermittently can run ok for 20 minutes or two minutes.has had fuel pump change, And coputer changed.This car has had these problem before they had these parts repl...
1995 Chevrolet Corvette 5.7L battery VIN: 1G1YY32P5S
Customer issue is that the battery will go dead after approx. 2 weeks of no use. I have tested vehicle for a parasitic draw and found that it is within normal range, 0.02amps. Has anyone come across this issue? I am thinking its a failing battery. Thanks in ad...
1998 Chevrolet Malibu 3.1L Misfire VIN: 1G1ND52M1W
Cylinder 4 misfire at 60-70 mph only. Fuel pressure good. Injector pressure drop good. Compression is good. Wondering if anyone has run across this or has any suggestions. Thank you! Trouble codes: P0300
2002 Chevrolet Cavalier LS Sport 2.4L Idle VIN: 1G1JH12T72
This car came in from a guy I know to be a back yard mechanic.It was idleing at about 4000 rpm. We blocked off the throtle body so we could get it to ilde down and checked the intake and found it to be leaking so we put on an intake gasket. When we started it ...
2006 Chevrolet Malibu LT 2.2L shifting and speedometer VIN: 1G1ZT51F26
I bought this car for my wife as a replacement to her 1999 Malibu. I bought it with this trans problem and Im stumped. At first I had codes for the speed sensors but now they havent come back. I had no signal from the iss and tore the tranny down and replaced ...
2009 Chevrolet HHR LT 2.2L MIL Lamp on VIN: 3GNCA23B59
this started out as a engine and trans job because dealer said it needed them and wanted us to change them which we did he supplied motor and trans not knowing what the problem was originally but he came back a week later with a SES on and p0171 and he said th... Trouble codes: P0171 (Lean b1)
1996 GMC C3500 Sierra SL 6.5L Hesitation VIN: 1GTHC33F0T
Hello Diesel Techs, This truck came to us from another shop. Code 1218 and off idle hesitation and lack of power. So we bought a remann Injection Pump and installed it. Still has hesitation and feels like a Clogged Cat. (no cat on truck). Still code 1218. Now... Trouble codes: 1218 (Injection pump)
1999 Saturn SC1 1.9L Harsh engagment into Revers or Drive VIN: 1G8ZP1285X
Well I just replaced the input shaft nut inside the side cover and the upper valve body for delayed engagement into reverse when hot. After installing those parts last week it drove great but of course over the weekend after the customer picked it up it starte...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Buick Rendezvous CXL 3.5L vents VIN: 3G5DA03L76
I'm going to close this post. The vehicle is performing as designed. The difficult part was convincing the customer the insisted it wasn't like that when he purchased the vehicle new. After we had the entire dash assembly out and could watch the operation of...
2006 Chevrolet Malibu LT 2.2L speed sensors VIN: 1G1ZT51F26
Thanks to everyone who helped out with this one. Michael from Florida your info was spot on. It turned out to be a bad harness inside the transmission. Replaced it and the sensor again for good measure and iss is reporting loud and clear now. Thanks again.
2007 GMC Savana 3500 6.0L No Start, Stall VIN: 1GTHG35U67
Thank you everyone for the help. Wish I could tell you exactly what fixed it but I'll do the best I can. By the time I posted the truck was pretty much taken apart. Fuse block was out to check, ecm layed back, engine harness exposed etc. So I started with the ...
2008 GMC Canyon SLT 3.7L Starting VIN: 1GTDT19E88
Thank you to all the replies!! as stated by many people it did end up needing a new ECM. I could not program it so had to send it to my local dealer
2003 Saturn Vue 2.2L bcm VIN: 5GZCZ43DX3
i had alot of replies thanks everyone the fix was to do the 30 min relearn i did it 3 times and everything worked out great again thanks everyone for the great info
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