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Professional Automotive Repair Technical Discussions for June 7, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR52L9S Vehicle came in on tow truck and was a crank no start. It started and we drove it in, tested crank sensor and it had an erratic wave form. Cam sensor tested normal. We replaced crank sensor. Vehicle ran afterwards but then died and has not started since. We al... Trouble codes: P0341 |
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| 1984 Cadillac Seville 4.1L Excessive Emissions, Poor Fuel Economy VIN: 1G6AS6987E This one shouldn't have me lost but it does. Car came in for a failed emissions HC 8.5 limit of 3.0 and CO 197 limit of 30.0. Customer had already installed new catalytic converter. I found Intake air temp sensor broken and IAC motor bad. After replacing both ... Trouble codes: 45 (Fuel System Rich) |
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| 2008 Chevrolet Silverado 3500 HD WT 6.6L AC Compressor VIN: 1GCJK33618 2008 Silverado 1 ton Duramax, Manual AC compressor will not engage unless commanded through the pcm with Tech2 . Then it works and cools fine. No error codes in either pcm BCM or HVAC Module, PCM Says under ac request no. HVAC Module says ac request yes but wi... |
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| 2013 Chevrolet Caprice PPV 6.0L Misfire VIN: 6G1MK5U26D This has happened three times now any help would be great.this is a police car and the officer states that when it happens its always on the way to a call and hes driving hard,and its above 80 when it starts.he states that it starts cutting out and check engin... Trouble codes: P0300 (Random misfire) |
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| 2008 Pontiac G6 GT 3.5L steerung pump VIN: 1G2ZH57N78 customer had complaint of steering noise and slightly high effort. pump had slight leak and we replaced it. followed the tsb to bleed system with vac pump. customer keeps coming back in around 4 days with air in the system again. how do I confirm where this ai... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2011 Buick Regal CXL 2.0L keyless entry VIN: W04GW5EV3B Doing BCM IMMO learn with Existing Transponder or Remote Key function restored keyless functions. GDS 2 really didnt offer anything in the way of confirming any signal being seen, except confirming no key was in the ignition. Had it been a push button start, ... |
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| 2009 GMC Yukon Denali 6.2L No Start VIN: 1GKFK032X9 The fix ended up being the bypass module that was put in place of the rear air suspension. Took a while for the customer to come back to get it replaced and was kind of Leary about it as he has had it replaced three times already for suspension light issues. T... Trouble codes: U0122. |
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