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Professional Automotive Repair Technical Discussions for March 7, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Buick Regal LS 3.8L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 2G4WB55KX1 This one is giving me trouble. The vehicle orig came in for drivability issues. The car stumbled/chugged occasionaly and spit p0300 and was showing misfires on all cyl. Another tech that has since moved on worked on the car and came to the conclusion that the ... Trouble codes: P0300 |
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| 2005 Buick Rendezvous CXL 3.4L Exhaust ? VIN: 3G5DB03E15 Car has a roaring noise. Much worse at 50-65 mph. Sounds as though muffler has been cut off and is roaring in the rear of the car. Noise is also there when car is sitting still while power braking.we replaced the muffler and resonator as we thought the muffler... |
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| 2002 Cadillac Escalade 6.0L Turn signals VIN: 1GYEK63N02 When the vehicle entered the shop the left turn signal pulsed on and stayed on (no flashing). Accompanying the lack of operation there was a buzzing sound coming from the fuse panel (turned out to be the flasher). I began by examining the wiring schematic. I p... |
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| 1996 Chevrolet Express 3500 5.7L Hesitation, Surge, Cuts out VIN: 1GCHG35R4T This van came in from another shop, opening the hood i found lots of shinny new parts, the simtoms are that under a load it has no pwer anr runs like a plugged exhaust or no fuel, so far ive check vacuum when symtems occer its normal,checked fuel trim and look... |
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| 2001 Chevrolet Blazer LS 4.3L Hard Starting VIN: 1GNDT13W71 Greetings! After the initial start in the morning, the engine requires excessive cranking to start - slight pressure on accelerator seems to help. Coolant temp reading appears correct. Tried known good MAF sensor. Fuel pressure holds when shut off and vehicle ... |
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| 2008 Chevrolet Express 1500 4.3L MIL Lamp on VIN: 1GCFG15X68 we have monitored all 5v ref sensors with lap top as problem occurrs freeze frame data is not showing any sensor failure.Last failure trip was at 1050 rpm while backing out of our bay.When you clear the code the vehicle runs normal no misfires or performance i... Trouble codes: P0641 |
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| 2009 Chevrolet Silverado 1500 LT 5.3L water temp gauge/IPC message center VIN: 3GCEC23J39 Getting FALSE "Engine HOT" message on IPC and engine temp gauge does NOT move from cold(160F is min on temp gauge). The vehicle was being driven and everything was normal. All of a sudden temp gauge drops to minimum value(160F) and "Engine HOT/AC turned OFF" m... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Chevrolet Blazer 4.3L No Start VIN: 1GNCS13W3X ON THE DISTRIBUTOR THE TOP FLANGE SPUN. WEIRD THING IS THAT WHEN I LINED UP ONE OF THE TIMING MARKS IT WAS DEAD ON HOWEVER IT WAS THE OTHER MARK ON THE DAMPNER THAT I WAS SUPPOSED TO GO BY. I DONT KNOW HOW IT GOT SET ON THE OTHER LINE AND THE CUSTOMER SWEARS ... |
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| 2004 Chevrolet Silverado 1500 Z71 5.3L driveshaft VIN: 1GCEC14W34 well the fix seems to be that there is no fix. After some research and double checking tsb,s this problem is not uncommon and is normal GM says. If anyone runs into this the tsb is listed as clunk when shifting from reverse to drive and back. Customer was sati... |
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| 2006 Chevrolet Trailblazer LT 4.2L Excessive Emissions, Poor Idle Quality, Stall, Misfire VIN: 1GNET16S16 Thanks for all the input on this one it ended up being pretty simple did a correlation relearn and everything was fine after that. Thanks Again. Trouble codes: P0300, P0017. |
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| 2008 Chevrolet Silverado 1500 WT 4.8L Mechanical VIN: 2GCEC19C78 hey thanks for all of the help i cleaned all the frounds on this vehicle and this appeared to have taken care of the problem,vehicle has been gone for a week now and customer reports no problems. |
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| 2008 GMC Sierra 2500 HD SLE 6.0L wind shield washers VIN: 1GHK29K838 Thank you so much a new fuse box fixed the problem. I cannot thank you guys enough I had 7 people take time to help me and every one of you hit it on the head. Thanks again |
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