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Professional Automotive Repair Technical Discussions for April 8, 2020 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Chevrolet Silverado 2500 HD 6.0L Misfire VIN: 1GCHK29U55 This is my pov. Intermittent #2 misfire. #6 misfires slightly occasionally. The misfires are only felt at idle. Seems to only show on scanner at idle. I replaced the cats due to the high backpressure. Not much power gain like I though it would. The truck d... Trouble codes: P0302 (Cylinder 2 misfire), P0300 (Random misfire) |
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| 2012 Chevrolet Silverado 3500 HD LT 6.6L No Start, Stall VIN: 1GB5KZCL8C no start no codes only thing abnormal is with both matco and snao on scanner it shows fpr2 high control shrt to ground (fault) checked rail pressure at crank no start only showing 140 psi which is why it wont start have found no metal anywhere in system as... |
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| 2013 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality VIN: 1GNSCJE07D hey guys i need some help with this one. im getting it after another tech went through it and said it needs an engine. he got halfway through the swap then was laid off due to coronavirus and now im stuck with it. it was sent to the dealer, dealer said fue... |
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| 2006 GMC Savana 2500 4.8L No Start, Poor Idle Quality, Misfire VIN: 1GTGG25V86 Ladies and gentlemen, welcome to my nightmare! Sorry about the long post. This van was towed in to us for a crank/no start condition. One of the techs spent some time diagnosing and called a fuel pump for lack of fuel pressure. Once pump was changed, vehic... |
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| 2008 GMC Sierra 1500 SLE 5.3L TCC Slip VIN: 3GTEC13J78 When driving truck between 40-45 mph the rpm's surge anywhere from 100 to 200. Watching data the rpm gauge is matching TCC slip rpm on scan tool. Its not an AFM issue. I can turn on tcc solenoid and issue goes away. Took it to dealer for second time and no... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Hummer H2 6.0L Unknown VIN: 5GRGN23U94 thanks to all who replied took a chance stripped the wiring harness out of the dash and to my surprise someone installed a radio at one point and something in dash had rubbed through wiring harness about 6 wires in all repaired wires and all works well. very g... |
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