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Prev Professional Automotive Repair Technical Discussions for August 11, 2012
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet K2500 Suburban 6.5L No Start VIN: 1GNGK26F8S
Got a tough one here (for me!). Towed in cranking no start. We had installed new injection pump and PMD (update kit) two years ago. Confirmed lift supply and good volume and pressure indicated up to injection pump. Installed clear line at inj. pump and no air ...
2002 Chevrolet Cavalier LS Sport 2.4L MIL Lamp on VIN: 1G1JH12T22
This car has been to another shop and is coming to me on Monday.I checked it out a few weeks ago and told the customer he has more than just a parts problem, he took it somewhere else with no sucess and now it is coming back to my shop. The front O2 sensor c... Trouble codes: P0132, C1275
2006 Chevrolet Impala LS 3.5L Starting VIN: 2G1WB58K56
when i checked it it had code po1629 the bcm was working lights will come on on the inst cluster guages will work fuel pump will come on i replaced the tdm and the ecm now the codes i get are po633 po 1631 b3031 b3935 all security codes i tried the 30 minute ...
2007 Chevrolet Silverado 1500 WT 4.3L Poor Idle Quality, Poor Fuel Economy VIN: 1GCEC19C67
Vehicle came in for complaint of getting 126 Miles per tank of gas. Got into vehicle and found the idle to be rough and abnormal. Checked for misfire counters and found none. Started looking at data stream, found at idle with a/c off engine load was showing 36...
2002 Saturn Vue 3.0L no start VIN: 5GZCZ63B22
At first this Saturn came to us with air bag light on ABS and brake light on code for air bag shows b2001 my otc only shows two data lines voltage wich is at 13.52 and drivers seat belt buckled or unbuckled I can not communicate with the abs module with my s...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Avalanche 1500 5.3L battery VIN: 3GNEK13TX2
Thanks Alex, Donald, Dan, and Charles; you guys got it right on the spot. I checked and the ignition switch was clock wrong. I clocked it and have it reprogram again; the vehicle was out for a week now. Thanks gain for everyone's help.
2004 Chevrolet Blazer LS 4.3L ABS & Brake lights VIN: 1GNCT18XX4
Thanks for all the input. The customer decided to not repair vehicle. He wanted to just disconnect ABS module and drive it. Most replies said the ABS module is at fault. After trying several different tests, I can only assume the problem is the Module. All s...
1999 GMC K1500 Suburban SLE 5.7L MIL Lamp on VIN: 3GKFK16R2X
Many thanks to the wonderful technicians who took their valuable time to share their thoughts on this truck. I tried (or had tried) every suggestion, and still had the same problem - but the suggestions to monitor Reference voltage by Rich, Greg, David [...] a... Trouble codes: P122, P122.
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