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Prev Professional Automotive Repair Technical Discussions for September 30, 2007
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Cavalier 2.2L Starting VIN: 1G1JC5244V
Hello. I have no start and spark with this vehicle. Fuses ok. Check engine light indicator will not come on with Key on engine off, so i suspected the PCM. PCM replaced (from wrecking yard) and now check engine light indicator is illuminating with KOEO, but no...
2003 Chevrolet S10 2.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1GCCS14H43
I have tried to find info about this sensor in Alldata and Mitchell. I can not find any info on it. When I look at scan data, I see upstream O2 at 0 mv, short term srat at 45%, long term at 0 % and running so rich that it leaves a black spot on concrete. New P... Trouble codes: P0178 (Fuel Composition Sensor Circuit Low Voltage)
1994 GMC Jimmy 4.3L Excessive Emissions VIN: 1XCPK18349
I posted this machine back in July and you guys were of great help. The C0 level is low but the machine has a different smell coming out of the exhaust. It's not a rotten egg smell, I think it might be Nitrates of Oxides? Will an engine have a horrible smell i... Trouble codes: 42 (Ignition control error)

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Park Avenue 3.8L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G4CW52K2S
Hi all I have a fixed this car it finly acted up and I seen with my lab scope that the maf signal was droping out this time so as may of you said the maf was the problome I left the pcm in that i put in a few weeks ago becouse I know that was a problome then a... Trouble codes: P0101 (Maf senser).
1998 Cadillac DeVille 4.6L Head Bolts VIN: 1G6KD54YOW
First of all, a big thank you to everyone who responded to my request. I did find the "Timesert" thread repair kits online for about $450. The replacement inserts were $3.25 each. Since I plan to never work on one of these monsters again I did not want to pur...
2002 Cadillac DeVille 4.6L power window motor VIN: 1G6KD54Y32
first of all i would like to thank all who replied! however steve from kentuck and glen from idaho where dead on!!! when i was diagnosing the power window problem i did open the harness from the body pilar to the door but did not see anything at all wrong. a...
1997 GMC K1500 Sierra SL 6.5L No Start VIN: 1GTEK19S8V
Thanks for all replies.After a stiff learning curve and alot of research I think we are looking at an injection pump.Customer is short on funds.Will post a fix when everything comes together.
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