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Prev Professional Automotive Repair Technical Discussions for March 10, 2007
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Open Help Requests for GM
Help Request Answers
1995 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP52L4S
Hey folks thanks for your time. I have a 95 lesabre interm. stall. I have ckp sig. going in icm but not comming out to pcm. I replaced icm with oe no change. ecm seems to be the fix in knowledge base. My question is will the ecm keep the ckp sig. from comming ... Trouble codes: P0341 (cam/crank error)
1995 Buick LeSabre Custom 3.8L heater core VIN: 1G4HP52L6S
Hi guys, I'm usually one giving advice on GM cars, not asking for it! But this car has got me stumped by having repeat heater core failures. The first 3 cores were AC Delco units, the current one, and the one that is going in it today are from Napa. I have ano...
1995 Chevrolet S10 2.2L Misfire VIN: 1GCCS1449S
This S10 sure has me stumped. It started out as a miss whenever the vehicle was started hot or cold. Within 10 to 20 seconds after starting, the miss would mostly go away. You can smell the raw fuel when it was missing bad, that's why I thought it was a spark ...
2000 Chevrolet S10 4.3L Poor Fuel Economy, MIL Lamp on VIN: 1GCCT19WXY
About a week after the fuel pump was changed the check engine light came on without any driveability symptoms. Customer has been living with it but now wants it fixed. When the mil came on, at first it was intermittent and now it stays on all of the time. I he... Trouble codes: P0446, P0452, P0453

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L Surge VIN: 3G5DA03E02
Hello Tech's. The responces were great. Serveral tech's hit the condition on the head. :) It was the BCM that controls, over the data line, the on and off time that the PCM in return controls the drivers for the fans. Thank you all. God Bless.
1995 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Surge VIN: 1GNCS13W2S
As of this time I`m going to close this post since getting the truck back to the shop has become an issue. Coworker`s son wrecked his S-10 so he is driving the blazer til the S-10 is repaired .I got alot of responses on this one. Most covered the wiring , fuel...
1996 Pontiac Grand Am GT 3.1L No Start, Stall VIN: 1G2NW12M8T
Thanks everyone for all the suggestions. We found that the airbag module had a lot of corrosion which was causing it to short out. Once we unplugged it, the car started. So we are going to replace module. Thanks again! Trouble codes: 1573 (no communication between ebtcm/pcm).
2001 Pontiac Aztek 3.4L Accessories VIN: 3G7DA03EX1
Thanks to all, with special thanks to Brent [...]. It's nice to know these are a problem, and that I was leaning in the right direction. Customer is going to keep removing and reinstalling BCM fuse when problems occur. She did not wish to repair now. Once...
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