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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 17, 2011
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Open Help Requests for GM
Help Request Answers
1998 Buick Park Avenue Ultra 3.8L Misfire VIN: 1G4CU5219W
multiple misfires on number three .good strong spark from coil thru wire. compression 110. 60 running .pcm fires noid light.replaced injector in desperation,even though could fire the old one with tester .supercharger is very noisy .removed belt to supercharge... Trouble codes: 300 (misfire)
1999 Chevrolet Malibu 2.4L noise VIN: 1G1ND52T5X
I have a 99 Chevy Malibu that has a clicking noise like a blinker or flasher was on but no lights inside or out flash its not consistent but it will happen regularly. thanks in advance
2003 GMC Envoy XL SLE 5.3L does not accelerate VIN: 1GKET16P03
This vehicle acts up when it feels like it, cel comes on and low power light comes on and related code, checked for bulletins relative to problem, tried to reproduce long enough to check components, not yet happened. Checked wiring at throttle body, wiring at ... Trouble codes: P1516
1992 Oldsmobile Cutlass Supreme 3.1L Stall VIN: 1G3WR11X3N
This vehicle came to us with the complaint that it will stall at idle intermittantly. It initially had code 35 in it for Iac error. I found a vacuum line had fallen off and created a vacuum leak about 1/4 inch in diameter. Erased the code and test drove and ve... Trouble codes: 35 (iac error)
1987 Pontiac Fiero SE 2.5L Backfire VIN: 162PE11R8H
Pulled the car in and it would not go 5 mph without terrible backfire and misfire. Removed the spark plugs and replaced with AC delco, no more misfire but car still backfired. Sprayed vacuum lines and throttle body with brakeclean and around bottom are of thro...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Cadillac Eldorado 4.6L a/c blower motor VIN: 1G6EL12YOR
Hello Fellow Techs ] Thanks for all the help. Sorry it took so long to post a reply. We have now contacted the customer once a week fo 3 weeks & he says all is well after approx 3 weeks. ] The OE grd tested very good under load. The original post stat...
2002 Chevrolet C3500HD 6.5L Hesitation, Surge, Cuts out, Stall VIN: 3GBKC34F92
All 3 replies had vaulable information, but just not in the area i needed. I noticed the fuel gauge bounces around a lot so i am goin after a possible low fuel issue. It maybe sucking in some air on turns.
2004 Chevrolet Cavalier 2.2L Actuator VIN: 1G1JC52F84
I stil didnt receive the information I needed, Except for David who offered that the control head was in charge of monitoring the travel. Although not knowing for sure, I did install an OEM part. I havnt heard any thing from the customer about failure of this ...
2002 GMC Savana 3500 5.7L 2-3 shift solenoid VIN: 1GDJG31R82
Thank you for the feed back on this one. As it turned out the vehicle had a chaffed wire, that would only touch when the vehicle was driven. I finally scoped the control circuit for 2-3 solenoid at pin 47 while driving the vehicle. I could see the circuit bein...
2004 GMC Yukon XL 1500 SLT 5.3L rear wheel sensor? VIN: 3GKEC16G04
Never got the vehicle to act up. Had someone at the dealer scan for codes and got the exact code that I got with his Tech2. So, I replaced that wheel speed sensor and told the customer that this was a "best guess" repair due to the intermittent nature of the p...
2005 GMC Envoy SLE 4.2L cylinder head VIN: 1GKDS13S95
I finished this job in timely matter,i did not have to take the front timing cover off,tha ENVOY is working perfect,i need to thank to all of you great techs that offered me advice over this job.THANKS AGAIN AND GOD BLESS YOU. ( by the way,cylinder #5 had a ...
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