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Professional Automotive Repair Technical Discussions for November 14, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2009 Chevrolet Uplander LT 3.9L Unknown VIN: 1GNDV33199 Hi, everyone. I have a new customer. The complaint on this van is an intermittent very harsh shift around the 45 MPH range. His wife describes it as "being hit by a vehicle from behind". I'm thinking it MAY be the 2-3 or 3-2 shift. Of course, I cannot reprodu... |
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| 1999 GMC Yukon SLT 5.7L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GKEK13R8X has anybody got any ideas for us we changed the head gasket and we have this 5 7 miss and it doesn't appear to be electrical and the vacuum seams tight. looking for help/ideas would be appreciated. It is running O K on bank 1 and bank two is running very rich.... Trouble codes: P0155 (o2 heater circuit bank 2 sensor 1), P0300 (Engine missfire detected) |
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| 2002 GMC Sierra 2500 HD SL 8.1L no symptom, runs ok VIN: 1GTHK29G82 Looking for GM flash help. I've only done about a dozen of these with few issues but this one has me perplexed. Came from another shop, owner had them remove aftermarket super charger and they want factory calibration installed. Of the 2 ways to do it, neither... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Chevrolet S10 4.3L engine knock VIN: 1GCCS19Z1M Thanks to all that replied, I removed the plugs, cranked over the engine to make sure nothing was in. No damage to plugs, replaced and started the vehicle, still knocking. With a stethoscope tracked the noise down to the bottom end . will repair when I got som... |
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| 2007 Saturn Aura XE 3.5L engine VIN: 1G8ZS57N57 Customer didn't return with the above vehicle, so closing this fix. |
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