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Professional Automotive Repair Technical Discussions for April 16, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Buick Park Avenue 3.8L Battery "VOLT" Lamp VIN: 1G4CW54K84 When engine is running, at about the 30 second mark, the "Volt" lamp illuminates. I have ohmed out the Grey wire and Red wire from the Alternator to the PCM and they are fine. When I looked at Data in scan tool, everything reads normal, even in the message cen... |
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| 2006 Chevrolet HHR LT 2.4L eps VIN: 3GNDA23P86 vehicle brought to us for check over,brakes/alignment due complaint of drift/pull to the left.our b tech inspected and noticed all the new parts.had our a tech check alignment and corrected serious camber issiues front and rear.no signs of accident damage(car ... |
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| 2006 Chevrolet Colorado LT 2.8L Stall VIN: 1GCCS14816 This vehicle is kicking my butt! I've been working on this on and off for 2 months and it just doesn't go away. After fully warmed up and driven for at least 20 minutes you can sit idling at a stop and without warning it will die just like you turned the key o... |
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| 2008 Chevrolet Silverado 1500 LT 5.3L No Start Got this one in today. No start, no fuel psi. Has spot for fuel pump fuse and relay, but nothing in either spot. Customer started it and put in reverse and it died. I have change lots of gm fuel pumps, but not on this newer body style. I am gathering that it i... Trouble codes: P069E, P0231, P0446, P1174, P0573 |
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| 2012 Chevrolet Silverado 3500 HD LTZ 6.6L Won'T Run Sometimes VIN: 1GC4K1C89C Vehicle travelled 10,500 miles with no complaints or issues-none at all. Came it because customer said it lost power and lights were flashing. On checking out the problem we found that the HVAC stopped, abs light came on, no response from throttle, all cluster... |
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| 1998 GMC K1500 Sierra SLE 5.7L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, sometimes har start VIN: 3GKFK16R7W Hey everyone, thanks for the help ahead of time, this is my dads truck and its kicking our as*es! This problem is very intermittent, but happens 2 or so times a week. I will try and explain as best as i can. Vehicle initially came in with P0305, i found origin... Trouble codes: P0305, P0300 |
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| 2001 GMC Yukon Denali 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEK63U81 Vehicle came in with three trouble codes, p0171, p0174, p0300. Usually with these codes we test the intake gaskets, find vacuum leaks and replace the intake gaskets and knock sensors due to the corrosion and it takes care of all three trouble codes. We tested ... Trouble codes: P0300 (Random misfire) |
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| 2005 GMC Canyon Z71 SLE 3.5L Misfire VIN: 1GTDT13645 misfir #2 and#5 cyl compresion good 160 running 185 static swaped coils,plug,injectors.no chang vacum steady at 19 inch also did injector cleaning smoke test manifold.rasid rpm to 2500 vacum still steady.will not pass smog high hc.we need help any sugestin at ... Trouble codes: P0302 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Buick Century Limited 3.1L no communication VIN: 2G4W552J14 Replacd SRS Module, now data bus is back online and all communication is good Located the "water Dam" that is supposed to be positioned above the cabin air filter housing, installed it with some RTV, as well as really clamping down on the locating strip Vacuu... |
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| 2003 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNES16S73 Hi every one, i have to close the help request as we asked the owner to supply a new throttle body as suggested and he has not been back since and i have had prompts from iatn for a closure. Trouble codes: P1137, P0300, P0756, P1512, P1516, P1515. |
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| 2007 Chevrolet Silverado 1500 Classic WT 4.3L distributor VIN: 1GCEC14X77 Not as smart as I should be after all these years and I now know why the 4.3 has two reference marks on the front dampner! Went to lunch, mulled over my problem, returned and found dist. installation procedure speaking to two dampner marks. lined up 1st with p... |
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| 2009 Pontiac G6 GT 3.5L Cuts out, Misfire VIN: 1G2ZH57N69 Well its not fixed but i have found the problem. There is a know software problem with GM. The is pulling timing out for no reason. The timing goes from 30 to -15 all at once. Of course this much of a timing drop causes the miss. At this time GM says that they... |
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