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Prev Professional Automotive Repair Technical Discussions for August 5, 2011
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1999 Buick Century Custom 3.1L No Start, Stall, Misfire VIN: 2G4WS52M1X
Need some help on this one GM guys. Customer had the car towed to me saying that it would not start and immediately shut off. Customer sayed that he replaced the fuel pressure regulator because he saw fuel coming from the vacuum port. I put a fuel pressure gua...
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1998 Chevrolet Blazer 4.3L O2 codes VIN: 1GNDT13W4W
When we received the vehicle the owner had replaced the O2 sensors with aftermarket sensors and the codes came back on. Codes are P0135, P0147, and P0155. When we checked it we got only one code for sensor 3 bank 1. We assumed a bad O2 possibly and replaced it...
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2000 Chevrolet Camaro 3.8L No Start VIN: 2G1FP22K1Y
ok guys ,customer cut car off to go to work when he went to get in it to go home it would not crank,does not make a sound,ok i have power at the relay when you try to crank on 85 pin,power all the time on pin 30 i can jump pin87 it wii crank and run for a seco...
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2000 Chevrolet Blazer LS 4.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNCT18W8Y
Good evening, we have a 2000 s10 blazer here this has a 4.3 spider web injection system. On cold starts the truck runs poorly, backfires has no exceleration until warmed fuel pressure is 65psi all the time, fuel trims at 3to-1 short turm and long term. O2 sens... Trouble codes: P0300
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2002 Chevrolet Trailblazer EXT LT 4.2L MIL Lamp on VIN: 1GNDT13SX2
This vehicle sets code p1482 very intermittantly. I have tested the fan per factory trouble chart, and cannot find a problem. Fan engages when commanded on with Tech2. Fan disengages when commanded off. Fan will match any desired speed of PCM. I have checked a... Trouble codes: P1482
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2002 Chevrolet Avalanche 1500 Z71 5.3L Brake line routing VIN: 3GNEK13T92
Brain cramp. I had to replace rotten lines off the EBCM and mixed up the routing. I can't find it in [...] or googling it. I did find a request for help from someone else too that did the same thing. I really need help to find what line goes where, mine is...
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2005 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TD62675
replaced purge solenoid for failure . vehicle came back. rechecked purge solenoid, does work on start up. replaced fuel pressure sensor cause only thing else on diagnostic sheet . my scanner shows no data for fuel pressure sensor to run diagnostic sheet correc... Trouble codes: P0496
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1997 GMC Yukon SL 5.7L MIL Lamp on VIN: 3GEK18R5VG
I have checked for play in timing chain when move crank dist turn when turn crank both ways immediately. Help? Trouble codes: P1345
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2002 GMC Savana 3500 5.7L 2-3 shift solenoid VIN: 1GDJG31R82
This vehicle drove in, in limp mode with code p0758 2-3 shift solenoid code in system. click tested solenoid and it clicks. Replaced solenoid anyway. No bettter. Check power feed to solenoid-ok checked ground signal from VCM- ok. check circuit from VCM plug to...
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2003 GMC Sonoma SL 2.2L pushing fluid thru dipstick tube VIN: 1GTCS19H43
This is my sister-in-laws truck. She stopped for an oil change and they told her she was pushing trans fluid out of the dipstick tube. They thought it was over full and removed more fluid even tho she told them no fluid has been added in a year.Needless to say...
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1989 Pontiac Firebird Trans Am GTA 5.7L No Start, Cuts out VIN: 1G2FW2180K
hello all, i have a 1989 firebird 5.7 tpi that keeps burning up coils & pickups. i found 2 grounds on the back of passenger side cylinder head that was bad and repaired but i'm still having this problem with the car burning up coils & pick ups. i would appreci...
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Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet C1500 Silverado 4.3L Surge, Stall VIN: 1GCD14Z8MZ
replaced fuel pump fixed problem . fuel press was 5 psibefore replaced .now 11 psi . thanks to all that helped
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2005 Chevrolet Cobalt LS 2.2L starting VIN: 1G1AL52F85
Thanks to all that responded...I HAD A PROBLEM WITH BCM STAYING POWERED UP ALL THE TIME IT WOULD GO TO SLEEP FOR ABOUT AN HOUR THEN WOULD LIGHT BACK UP CAUSING THE DRAW..I TOOK THE ADVISE FROMT THOSE THAT OFFERED HELP AND AFTER IT HAD BEEN IDLE FOR AWHILE I DI...
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2007 Chevrolet Silverado 1500 LS 4.8L ses light on VIN: 1GCEC19X17
well what we did was go off of the global side and got a catalyst efeciency below threshold. so we installed a new y pipe and all is good now. one cat was hollowed out and sounded like an exhaust leak.
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2008 Chevrolet Uplander LS 3.9L airbag VIN: 1GNDV23W78
THANKS TO ALL THAT REPLIED THE FIX WAS THE SEAT BELT TENSION SENSOR, R/F SEAT THE B0092 IS JUST GENERIC CODE YOU MUST FLASH CODES OUT W/ TECH 2 I FOUND MY ISSUE WHILE WATCHING VOLTAGES AT SEAT CONTROL MODULE AND FOUND A FALL OUT THRU SEAT BELT TENSION SENSOR W...
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