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Professional Automotive Repair Technical Discussions for September 17, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Buick LeSabre Custom 3.8L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G4HP54C9K vehicle will run and idle fine when cold once it gets to temp it will start to run rough almost like a very bad skip runs very rich from tail pipe but ecm data shows the o2 to be switching. grounded the ets at ignition module while running to see if it would c... |
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| 1995 Chevrolet K1500 5.7L Idle VIN: 2GCEK19K1S Car drives fine on freeway...once off freeway it surges and dies. Also surges and dies at idle. Runs rich,dumping gas. O2 sensor switching ok. No codes. |
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| 2000 Chevrolet Camaro Z28 5.7L Axle Seal VIN: 2G1FP32G7Y we have replaced the right side axle seal two time in the pass for a leak after the rebuild about 1 year ago now back for the same problem leaking on the right side axle any help would be nice thanks |
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| 2001 Chevrolet Silverado 3500 6.6L Hesitation, Cuts out VIN: 1GCJK39111 Help! this truck is driving me nuts. About a year ago, it was doing the same thing it is now, but for a different reason. It was throwing codes for low fuel rail pressure and going into limp more, usually in hotter weather and pulling uphill with loads. After ... |
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| 2006 Chevrolet Corvette 6.0L Clutch VIN: 1G1YY26U86 has anyone had any experience with this problem on this type of vehicle. Any thoughts on where to start to find problem? |
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| 2010 GMC Terrain SLT 2.4L Poor Idle Quality, Surge VIN: 2CTALFEW7A thanks for the help, this gmc terrain 2.4 has a high extended idle. it will idle down after 15-20 seconds. at park, if you goose it the idle goes to 2500-3000 rpms and slowly goes to normal idle. when you drive the car it will surge on deceleration to a stop.(... |
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| 2002 Oldsmobile Bravada 4.2L Stall VIN: 1GHDT13S22 customer had this towed in for no start.said it had acted up a couple times before.it starts right up normaly every time you turn key,stalls in about three or four seconds.checked fuel ok, can keep running on carb spray. no codes any module,all communicate wit... |
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| 1989 Pontiac 6000 LE 2.8L Power bog VIN: 1G2AF51W5K This car runs very slightly rich at idle, but is smooth and has no hesitation or other apparent problem with moderate acceleration at rest. When driving, with 3/4 or more throttle, car bogs down, and exhaust becomes black/rich. Catalytic converter starts to ov... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Buick Regal LS 3.8L HVAC ATC control VIN: 2G4WB52K7X Thanks so much for the overwhelming response - Ignition switch fixed it. A fly in the ointment - aftermarket remote start / alarm wireing soldered into the ignition switch harness - thought perhaps that was causing problems - did not. Thanks to Steven, Joe,... |
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| 2003 Cadillac Escalade 6.0L rear air shocks VIN: 1GYEK63N83 Wow! Thanks for the great responses! Lots of sources given. Customer went with the cheapest one! [Surprise, surprise] Customer is happy & I made a little money. |
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| 1982 Chevrolet Corvette 5.7L CD player Thanx to all that replied I mentioned to the customer it may be in the distributor and like any other customer they rather throw parts at a car then pay a diagnostic fee he put in a new distributor and that fixed it and by the way the old distributor had a "ki... |
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| 2001 Chevrolet Malibu LS 3.1L No injector pulse VIN: 1G1NE52J01 Thanks for all the advice. Tim was correct, this car has PassLock, not PassKey 2. AllData contradicts itself, depending on what section you are in. A relearn [took 4 tries before it stayed] fixed it. |
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| 2003 Chevrolet Avalanche 1500 5.3L no start,no charge VIN: 3GNEC13TX3 Happy to report that cleaning the throttle body fixed this vehicle.I look forward to seeing many more of these TAC equipped trucks with this condition, easily solved with one labor hour and shop supplies.Win-win for customer and I,and I believe it will be comm... |
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| 2006 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on VIN: 1GCHK23U56 A MOUSE CHEWED THE GROUND WIRE BEHIND ENGINE ON PASS SIDE.THANKS FOR ALL HELP Trouble codes: U0107. |
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| 2005 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23205 Have checked all that we can here. Sublet to my duramax friend at chevy garage. Do have plenty of pressure. Have checked all that I can with scan tools and electrical test. Decided it would be less expensive to farm out than pay employee and myself for lost ho... Trouble codes: P0089, P1093 (Fuel rail pressue low under load.). |
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| 2007 GMC Acadia SLE 3.6L plastic pressure pads VIN: 1GKER13797 Were able to replace the pads. Codes did not return. Vehicle was delivered. Customer satisfied. |
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| 2004 Pontiac Grand Prix GT2 3.8L Cooling Systems VIN: 2G2WS52264 This morning I re bled the system and then attached a coolant pressure tester to the radiator. Shortly after starting and before the temperature gauge went quarter scale the upper radiator hose became very rigid and the gauge climbed to 20 PSi and was continui... |
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