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Professional Automotive Repair Technical Discussions for January 27, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Buick Lucerne CX 3.8L Misfire This came in running badly. I found it was misfiring on number 1. It is missing injector pulse on 1 most of the time and then sometimes no injector pulse on number 3. Power to injectors is ok I'm missing the ground pulse from pcm. I think it's the pcm but just... |
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| 2010 Buick LaCrosse CXS 3.6L Electronic VIN: 1G4GE5EV6A Hey guys, I have a Buick with no rear defrost. There are no codes in the HVAC or BCM related to the defrost. (There are two tire monitor coned in the BCM.) In the HVAC module I can read the rear defrost switch and rear defrost command PIDS. The defrost switch ... |
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| 2002 Cadillac Seville SLS 4.6L Hesitation VIN: 1G6KS54Y12 Customer brought car in with complaint of no power an can not get over 25 miles per hour. took it for a drive and it almost seems like its in limp mode. If you step on the gas at 20 miles an hour it will start bucking. We checked for loose grounds and could no... Trouble codes: P0404 |
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| 2007 Chevrolet Impala LT 3.9L Surge, Misfire, MIL Lamp on VIN: 2G1WC58R17 Hey guys, this car came into my shop with the problem of that it would not idle down and would die randomly and it surged going down the road. So long story short with a new TAC and TPS sensors it now idles fine and does not die any more. But still surges. wha... Trouble codes: P0300 |
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| 2001 GMC Sierra 2500 HD SL 6.6L Transmission VIN: 1GTHK23101 Hoping for a little insight from the transmission guys out there. This truck came to us from a new customer with a basket full of complaints. Sorted thru the ABS issues, rotten brake lines, and fuel gauge issues and now only have the transmission issue to sort... |
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| 2003 GMC Sonoma SLS 2.2L MIL Lamp on, Brake failure VIN: 1GTCS19H73 Customer reports all dash indicators lit up and all the gauges made a sweep as when key first turned on except she was driving at the time. She did not notice any power loss. This happened three times during a short 5-10 mile errand run yesterday. Today her da... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2010 Cadillac SRX Luxury 3.0L No Start VIN: 3GYFNAEY2A No good news here folks ended up replacing the motor and the cat.Never found the cause for the cat failure but can tell you that when a cat goes on this motor it pushes it back into the intake system and chews on it.Still stuck on the cat failure cat were chec... |
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| 2001 Chevrolet Silverado 1500 5.3L steering VIN: 1GCEK19T81 Yeah Doug from NC hit it on the head. I had removed the whole cross bar for service when i had gotten sick and another technician finished up the vehicle. We found that the curved ends of the bar faces backwards. Nothing will hit and you can align to drive dow... |
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| 1989 Oldsmobile Delta 88 Royale 3.8L Surge, Cuts out, Stall, MIL Lamp on VIN: 1G3HN54C5K Thank you ALL for the overwhelming response! I received some great help and I'm closing this and calling it fixed. Customer has put about 150 miles on it with no stalling problem. First off I did not have any wiring diagram so originally I was following the co... Trouble codes: 26 (quad driver failure). |
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