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Professional Automotive Repair Technical Discussions for September 10, 2018 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 | |
| 2008 Chevrolet HHR SS 2.0L Poor Idle Quality VIN: 3GNCA63X48 This car came in running very rough and smelled as if raw fuel was passing through the engine, Had a code for the high pressure pump & a P0303. I swapped coils & plugs with no change, Misfire stayed on #3 My intuition told me the #3 cyl. probably had a bad... Trouble codes: P0303 (3 Misfire), P0089 (Fuel Pressure Regulator) |
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| 2007 Saturn Relay 1 3.9L Crank relearn I am a mobile and I first saw this van when I was called to program an ECM. The ecm programs fine and during the crank relearn it backfires through the intake rapidly. I had the shop bring vehicle to my location so I could get more involved. Upon getting t... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Chevrolet Express 1500 4.3L No Start ok so at last got some time to spend on this van,The data line was fine put a scope on it and it was switching up to 8 volts,dvom was to slow to see.the problem was the ignition 1 ckt pink wire that feed 12v to ign coil, ign module ect had no power found wire ... Trouble codes: P1631 (Theft incorrect password). |
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| 2012 GMC Sierra 1500 SLT 5.3L Misfire, MIL Lamp on VIN: 3GTP2WE78C The customer needs this truck back soon and we are backed up at least a month, the dealership agrees that there is problem with the cam and lifters, the customer called them. So he set up a app. with them. Thanks for all the help George Trouble codes: P0300 (Missfire 4 cylinder). |
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