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Professional Automotive Repair Technical Discussions for September 15, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1992 Pontiac Grand Prix LE 3.1L No Start, Cuts out VIN: 1G2WH54T9N this vehicle was towed in with a no start after parking. Vehicle turns over and stumbles trying to start. Occasionally it will start and run for about 5-10 seconds. Fuel pressure was tested and was @ 42p.s.i Spark quality is poor, the spark tested with vis... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1GCGK29R9V Thank you for all your help. I did a quick power balance test at distributor cap. Cylinders 2&8 had weak spark. I replaced the cap and rotor and the truck runs great. Fuel trim levels dropped down. So what was happening is all the air going into the cylinder, ... Trouble codes: P0171, P0174 (bank 2 lean). |
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| 2005 Chevrolet Suburban 1500 LT 5.3L Replaced VIN: 3GNEC16Z95 Great advise from all of you guy's This is one of the automobile's that will eat your lunch and dinner.. I'm from GA but from the show me state as well.. I have to have physical proof.. I had the rear case split apart with a sniffer and a black light and could... |
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| 2014 Chevrolet Silverado 1500 WT 5.3L Windshield wipers VIN: 1GCNKPEC0E Removed connectors at BCM and inspected terminals. Didn't see any major signs of fretting. Applied dielectric grease to all BCM terminals and reconnected connectors. |
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| 2007 Other GM MRAP 7.2L Crank Circuit Error on my part. Engine is a 6 cyl not 8. Data for this machine held closely by BAE Systems. They have supplied some partial wiring diagrams & trouble shooting diagrams. This will turn out to be a time consumptive nightmare ! |
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