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Professional Automotive Repair Technical Discussions for March 27, 2019 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Buick Lucerne CX 3.8L No Start, MIL Lamp on, No Crank, No Comm. VIN: 1G4HP57248 First, Thanks for your time fellow techs. Wanting to know if anyone's been down this road already. Car will intermittently not crank when key is turned, usually after sitting for a few minutes. It usually acts up on first start of the day and may or may no... Trouble codes: P1160, U1000, U1010, U1000, U1400 |
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| 2012 Buick Regal 2.4L MIL Lamp on VIN: 2G4GS5EK7C GM guys need some help. this buick is setting p2097. fuel trims short term fluctuate between -5 and 5, long term at idle climbs to 16 and drops between 10 & 13 at cruise speeds. downstream o2 stays at .60-.65 what am I missing. Also what should fuel rail p... Trouble codes: P2097 (Post catalyst fuel trim high limit) |
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| 2002 Cadillac Escalade 6.0L Vses VIN: 3GYFK66N32 This vehicle came in with Code C0196 Yaw Rate Circuit Fault, and C0455 Steering wheel position sensor fault. I have checked TSB's, found the one for programminmg the Ebcm TO update the vses software for C0455 code. Customer complaint is ABS activation inte... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK19VX5 Volumetric efficiency test showed maf was under reporting. Replaced maf and WOT g/s went from 205.67 to 230.72 but still had plus 18 long term fuel trims under light load. Fuel pressure test while driving under load pressure would drop to 40 psi. Fuel pump was... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2). |
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| 2014 Chevrolet Cruze Diesel 2.0L Will not purge VIN: 1G1P75SZ5E Alright folks we got this one. The procedure listed on Mitchell and Identifix has the process listed in the wrong order. The correct way to do this is to purge the system first THEN run the quality test and any applicable updates. I was running it in a diff... Trouble codes: P20B9. |
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| 2007 GMC Yukon Denali 6.2L Amplifier VIN: 1GKFK638X7 First let me thank everyone who tried to help. In the end I never did find any continuity to the instrument panel junction block from either the underhood fuse box OR the connector in the console area. I ended up running a wire from the front of the harness at... |
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