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Professional Automotive Repair Technical Discussions for October 27, 2022 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Chevrolet Silverado 1500 LTZ 5.3L MIL Lamp on VIN: 2GCEC19J97 The vehicle came in originally with some misfire codes, and a p0442 evap small leak code. I repaired a faulty ground for ignition coils, performed a quick pressure test of the evap system (scan tool command vent closed, using home made quick connect fittin... Trouble codes: P0442 |
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| 2016 Chevrolet Silverado 2500 HD LT 6.0L Compressor VIN: 1GC1KVEGXG Truck came in with ac inop cked to make sure the system had 134A in the system is full of charge cked the fuses has power to the fuse has power and ground to the relay but wont turn on if I jump the relay I can get the compressor to turn on but the gauges ... |
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| 2007 Hummer H3 3.7L compressor VIN: 5GTDN13E37 We checked charge it's correct, commanded compressor on with scan tool and a/c works properly. scan tool data does not show system commanded on when button selected on control head. We did try a known good unit as it was available. Still didn't work. Diagn... |
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| 1999 Pontiac Firebird Formula 5.7L High Idle 3000+ VIN: 2G2FV22G4X This vehicle is completely Stock. Vehicle on start shoots up immediately to 3000--3500 rpm and just holds there at idle. Customer few months prior had it at another shop and they replaced ecu and iac motor which fixed the problem for about 20 miles until c... Trouble codes: P0507 (Idle speed high) |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
