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Prev Professional Automotive Repair Technical Discussions for May 25, 2013
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2004 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 2GTEC19T34
Hi GM guys thanks for looking, customer changed Engine with 6.0L.I reflached PCM with 6.0 tune. but I get ISS ( input shaft speed sensor ) any advise.
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2008 Hummer H3 3.7L crank no start VIN: 5GTDN13968
hello everyone vehicle towed in crank-no start.secutity light was flashing so we performed relearn.vehicle started. we retried starting the next day-crank no start.checked signals at ign switch and bcm-all within spec's.performed relearn again and it starts ag...
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Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Tahoe LS 5.3L Surge, Cuts out VIN: 1GNEK13Z74
Thanks for the help. So far the cause of the problem has eluded us. The fuel pump posts where not relevant to the problem because the fuel trims never change and we never lost fuel pressure. There were several ground and computer posts that pushed us to go fur...
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2008 Chevrolet Express 3500 6.0L MIL Lamp on VIN: 1GBJG31K98
hey guys. well i changed the pre cat o2s. i have not seen truck back yet, so i will update if it does come in again. i did see that a exhost man bolt had broken off. no leak when tested but im sure that is a factor. i advised cust. and said they will need to a... Trouble codes: P1174 (Fuel trim cyl. Ballance b 1), P1175 (Fuel trim cyl. Ballance b 2).
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1995 Pontiac Grand Am SE 3.1L Poor Idle Quality, Stall, lack of power VIN: 1G2NE53M8S
Yes pushrods came out but I hand spun before assembling and found my error, fixed it and was good. Used updated roller rocker gasket set with steel backing Well checked EGR, was on properly. it was Checked Compression and one cylinder had no compression. Front...
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