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Professional Automotive Repair Technical Discussions for June 6, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Buick Lucerne CXL 3.8L MIL Lamp on VIN: 1G4HD57238 This Car become nightmare for us, came in for check engine light for code P0171 check the St and LT Fuel trim and LT is more then the limit it suppose to be between -10% to +10% and mass air flow was within range run the smoke test but find no leak clean the M... Trouble codes: P0171 (System Lean on Bank 1) |
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| 1995 Chevrolet P30 7.4L No Start VIN: 1GBJP37N2S hello, This blowtie is still hanging us up. The vehicle came in no start no communication. Repaired a 12v power feed orange wire, Now vehicle starts and runs poorly. I got no communication and I am unable to access codes or monitor data. It has a 12 pin gm 1 c... |
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| 2001 Chevrolet S10 4.3L Misfire Hi, I'm trying to help a friend out. He has this 01 S10 that will miss on cyl #4 on a small hill with the TCC locked up. They have done a Full tune with NAPA parts, updated injector unit, PCM & a new MAF. It feels like a typical ignition misfire. I ran a compr... Trouble codes: P0304 (Misfire cyl 4) |
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| 2004 Chevrolet Trailblazer LS 4.2L Reduced Power light VIN: 1GNDT13S44 Happy Monday!!! My "Stump the Chump" games started early this week... I'm Stumped!!! This 4.2 Trailblazer came in with the "Reduced Power" light on and would barely drive. Quizzed them when they dropped it off:"And you are SURE that the "Check Engine" light is... |
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| 2007 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDT13S67 This vehicle came in because it failed state inspection due to MIL on. Has P0449 stored in computer memory. Connected scanner and EVAP solenoid not working. Removed solenoid & benched tested. Works every time. I have power to solenoid but no ground signal. Rem... Trouble codes: P0449 (EVAP Vent Solenoid) |
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| 2007 Chevrolet Silverado 1500 LTZ 5.3L Poor Idle Quality VIN: 3GCEK13M27 Hey folks, anyone run into a 5.3 run rough on cold start only? The fuel pressure does not drop off during this time. It is not a flex fuel either (I have had some I've had to reflash pcm for driveability problems due to alcohol content) I have tried spraying t... |
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| 2010 Chevrolet Silverado 1500 LT 5.3L 1-2 shift VIN: 1GCSCSE03A Hi! guys,this is my personal truck.I have had it a short time.bought used. yesterday I came to a stop at a light,the light changed and I started to take off and it went into a neutral condition,I revved it up to about 3000 rpm,it finally kicked in and squealed... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 Chevrolet Malibu Hybrid 2.4L No Start VIN: 1G1ZF57529 Thanks Robert, Timothy, Russell, Troy and Ronald. Just as you guys said it was pretty cut and dry. Just like programming non hybrid vehicles. Just follow Tis to Web instructions. It was actually TCM they wanted me to program. Programming went smoothly. Talking... |
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| 2007 GMC Sierra 3500 Classic SLT 6.6L compressor VIN: 1GTJK33D67 Yah Think? Sometimes we (I) just look too deep for the problem! When I first looked at the vehicle there were a couple of issues. The A/C didn't work, and from what I could tell it was a result of low pressure or at least the system thought there was low press... |
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| 2004 Pontiac GTO 5.7L Hesitation, loose inj. 2&3 VIN: 6G2VX12G34 First like to thank everyone. Special thanks to Lynwood from Virginia.You must have been standing over me. You were 100% correct.The relay was the fix. And by the way they are different than a standard 5 pin bosch relay.Had to get from the Dealer. Thanks again... |
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