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Prev Professional Automotive Repair Technical Discussions for May 26, 2008
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Open Help Requests for GM
Help Request Answers
1987 Cadillac Allante 4.1L No Start, Stall VIN: 1G6VR3179H
Hello Everyone! Here's my story: Allante towed in for crank, no start. Customer suspected fried computer due to possible incorrect jump-starting/charging methods and replaced battery, ecm and bcm. Found engine flooded and plugs fuel-fouled. Replaced plugs, wir...
2001 Oldsmobile Alero GX 2.4L instrument cluster VIN: 1G3NK52TX1
I have a 2001 Alero with all gauges not working, including gear indicator. The radio also doesn't work, the theft light on the radio stays blinking even with the key on. Checked all fuses are good, never loose power. Have power & ground at back of cluster also...
2003 Pontiac Grand Am SE 3.4L Engine VIN: 1G2NF52E13
Customer states condition didnt exist before motor swap. Vehicle initially was spitting a cam sensor code. Replaced with one from old motor, code came back once, then did not return after that. Runs & drives fine. After shutting off, will not restart at times....

Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet S10 LS 4.3L Poor Fuel Economy VIN: 1GCCT19W4W
thanks to everyone for all your help i ended up hooking up to my truck with the scanner and found that my cam retard was at -[...] so i set that that gained 3 mpgs i also noticed my map sensor was showing 10 hgs i removed sensor noticed it was clogged wi...
2000 Chevrolet S10 4.3L Cuts out VIN: 1GCCT19W5Y
Quite a few responses mentioned amplitude problem, this being a hall-affect sensor, not related. several mentioned shimming of crank sensor, did read through bulletin about it and don't think it's related to this trucks problem. I may try it anyway if I get th... Trouble codes: P0339.
2005 Chevrolet Silverado 1500 5.3L A/C control head VIN: 1GCEK19ZX5
I was finally able to get hold of a Tech II to scan this vehicle with. I was able to get an ecu failure code for the hvac module, I dont remember the code number now, but it was stored in history and I could never get the code to return. I had another tech rid...
2004 GMC Sierra 2500 HD 6.0L Poor Fuel Economy VIN: 1GTHK23U94
It seems that since my son started driving we are doing alot more short trips. I have increased the tire pressure. Also we just recently installed new tires that are a couple sizes bigger. I guess i'll have to live with this type of mileage. Thanks to all who ...
2002 Oldsmobile Silhouette Premiere 3.4L valve train? VIN: 1GHDV03E52
Thanks so much for all responses. I received several responses that thought it might be coolant contamination. As I stated in my help request the old oil did not have any coolant in it. One person also asked if there had been any work done recently, which I al...
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