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Professional Automotive Repair Technical Discussions for March 28, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Buick Enclave CXL 3.6L No Start, Stall VIN: 5GAEV23718 car was towed in for no start, got in & turned key car started. drove & it stalled, wouldn't start. when it doesn't start no engine light on dash when turned key on. if you try & start when eng light is not on all lights on dash go out. when the key is turned ... |
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| 2008 Cadillac CTS 3.6L accessorys VIN: 1G6DV57V88 Trying to find retained accessory delay relay. Some times the radio will stay on after key removed and LF door opened. Was told that one time 30 min after shutting car off that accessory still on. After key was cycled the system works normally. At first I thou... |
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| 2008 Chevrolet Impala SS 5.3L No Start VIN: 2G1WD58C28 Car comes to us from a local used car lot. Their handyman installed a replacement 5.3 v-8 in this Impala SS. It cranks but won't start. Has a "hard crank" like it is out of time and ocasionally bucks and backfires. It always has injector pulse but has intermit... Trouble codes: P0340 (Cam sensor) |
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| 2001 GMC Sierra 1500 SL 5.3L monitor reset VIN: 1GTEK19T11 truck came in for failed smog due to air injection monitor and defective vacuum hose from manifold to switching valve. replaced vacuum hose and switching valve. also replaced plugged check valves. pump operates properly and air is flowing into manifolds. custo... |
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| 2010 GMC Sierra 2500 HD SLE 6.0L Trailer brake controls VIN: 1GT3CZBG1A We are able to use the scanner to actuate trailer brakes for the duration of the 30 second allowed test cycle. No actuation from dash control or foot pedal application. Replaced module and relay with known good parts, no effect on problem. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2014 Cadillac Escalade ESV Platinum 6.2L Suspension VIN: 1GYS4KEF9E So even after an hour of talking to TIS tech help and describing exactly what we were dealing with I received no help as to why all the readings were incorrect in the ESC system and there was no "bump stop" reset option. Finally I had the shop that was working... |
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| 2007 Chevrolet Suburban 1500 Z71 5.3L Rear diff VIN: 3GNFK16337 Thanks for all of the help. I can only assume that the vehicle is repaired. After our two attempts. One lasting 2 weeks and the other 3 days and no obvious reason, we sent the diff to a specialist. His claim was that there was something wrong inside the carrie... |
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| 2010 Chevrolet Traverse LT 3.6L Stall VIN: 1GNLVFED1A Really never found answer to question what makes up load percentage, replace MAF sensor (did lower percentage by 5%) has no MAP sensor, Baro reading must be part of MAF, fuel pressure & volume were in specs, when it stalled it would shut down all, like the PCM... |
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| 2012 Chevrolet Colorado LT 3.7L Head lights VIN: 1GCHTDFE1C After driving this vehicle for some time I learned that when it glitches the headlights don't shut off if the headlight switch is in the manual on mode. Also the vehicle glitches during the day when the lights are in the auto mode but are off because of the da... |
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