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Prev Professional Automotive Repair Technical Discussions for February 21, 2013
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Open Help Requests for GM
Help Request Answers
1993 Cadillac Eldorado Touring 4.6L Trip Computer VIN: 1G6EL1299P
The Store/Recall and Information Button are inoperative Therefor Codes shown on "banner" (below Speedo/Tach)cannot be reset/deleted. Display On/Off and Eng/Met buttons do work (Same Cluster) Climate part works too
2000 Chevrolet Venture 3.4L Cooling fans VIN: 1GNDX03E7Y
Please help. The cooling fans are not working. The coolant temp is going up to 225+ then I cycle the fans to not cause other problems. The PCM has a correct temp signal but will not ground the relays. I can cycle the low and high speed fans with my Verus so th...
2003 Chevrolet Malibu 3.1L Battery VIN: 1G1ND52J53
This vehicles battery goes dead after sitting for 2 days. I tested for a parasitic draw and found 198 mA draw. I traced down to BCM and Cluster. If I umplug each item or the fuse for it the draw drops to 96 mA and if I unplug both the cluster and BCM the draw ...
2004 Chevrolet Venture LT 3.4L MIL Lamp on VIN: 1GNDX13E84
keeps running lean, what am i missing, o2's appear to be working properly. have smoked for leaks and only smoke seen is coming from base of egr out of the vent slots Trouble codes: P0171
2007 Chevrolet Avalanche LT 5.3L Electronic VIN: 3GNEC12J47
brake light stays on on instrument cluster and chimes the whole time you are driving.scanner says ebrake is applied.disconnected wire at ebrake pedal, light stays on.have checked brake fluid level sensor and booster vacuum sensor.you can turn key on, dim headl...
1997 Pontiac Trans Sport 3.4L MIL Lamp on VIN: 1GMDX03E6V
Failed state inspection for p1651 and I can't seem to find any information on that code number? Tried clearing the code but it comes right back. Did have the same code number on a buick a while back but cleared it and it hasn't returned.Was hoping to get some ... Trouble codes: P1651 (manufactures control auxiliary inputs auxiliary outputs)

Fixes & Summaries for GM
Fix/Summary Answers
2004 Buick Rendezvous CX 3.4L No Start VIN: 3G5DB03E24
Thanks for all the help guys!!! This vehicle has contaminated gas. Pulled a sample and its pretty bad looking stuff... Thanks again for all the help. by the way you do not need a cam signal to make this vehicle run. Trouble codes: P0420 (Cat eff code), P1819 (internal mode switch).
2006 Chevrolet Express 2500 4.8L MIL Lamp on VIN: 1GCGG25V56
First off thanks to everyone for the solid advice. It's been a week sic I changed the purge valve and everything is fine. Thanks again for all the support Trouble codes: P0455 (p0300-), P0300 (p0440-), P0440.
2008 Chevrolet Aveo LS 1.6L engine VIN: KL1TD65638
Thanks for all the help, we installed a new tensioner and idlers and made sure to do the two step procedure when installing the new belt.
2008 Chevrolet Cobalt LT 2.2L air bag VIN: 1G1AL15F48
Mathew from California nailed it. It has a really goffy way of getting to the problem. The code 23 which flashes on the air bag lights (off passenger airbag ligtht flashes 2x, on light flashes 3x) They flash after you check codes with the scanner on the passen...
2010 Chevrolet Express 2500 4.8L No Start VIN: 1GCZGGBA0A
I've replaced the solenoid pack and programmed it everything is working great thanks for all the helpful hints Trouble codes: P182E, P1915 (Ims no parl//neutral sig during startsymptom 00).
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