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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 9, 2014
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Open Help Requests for GM
Help Request Answers
2002 Cadillac Escalade 6.0L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3GYEK63N52
been around and around with this vehicle. completely intermittant. when backing up or driving forward when coming to a stop, vehicle will intermittently stall. Trouble codes: P1515 (Throttle actuator position performance), P0106 (Map Sensor performance)
1988 Chevrolet Corvette 35th Anniversary Edition 5.7L Hesitation, Cuts out VIN: 1G1YY3187J
We have this corvette that is driving me nuts. It will bog down on accell and at time backfire, have swapped maf with known good one and verified timing is on, checked fuel pressure it is with in specs, the only thing i see on the scanner is the block learn is...
2001 Chevrolet Venture LS 3.4L Starting VIN: 1GNDX03E51
This one is being stubborn for this old man. Problem is premature start. Engages the starter as soon as the switch is in the "on" position. After reading the archives I replaced the ignition switch, to no avail, then the n/s switch. Still have the same problem...
2007 Chevrolet Impala LT 3.9L Surge, Cuts out VIN: 2G1WS55R17
Greetings to all recieved this car from local repair shop.when driving this car on local streets the car shuts down and it will restsrt with no problems.i drove this several times and it seems to drop right out on deceleration.feathering the throttle coming to... Trouble codes: P0300
2005 Saturn Vue 2.2L water pump VIN: 5GZCZ23D35
Hello, I have a slight problem where this Saturn has developed a whine in the timing chain area after the replacement of a leaking water pump. We thought the first pump might be defective so we purchased another and the whine is still there. We had the proper ...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Eldorado ESC 4.6L heating system VIN: 1G6EL12YX2
hello everyone and thanks for all the replies. i ended up flushing the coolant system and back flushing the heater core because it was pretty dirty and wanted to start with clean coolant. unfortunately that didn't solve the problem so i starting checking all ...
2005 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC14X35
After a series of testing, I started wiggling wires related to the ignition system and found that when I would move the plug at the coil the engine would smooth out and when I let go it would miss fire and die. I cut the plug off the coil and found a break at ... Trouble codes: U1041.
2006 Chevrolet C4500 Kodiak C4U042 6.6L MIL Lamp on VIN: 1GBE4C1286
Thank you all for your advice, I got a Reman ECM from my local dealer, (it's all they offer) and the truck runs like new. Michael from Florida,I agree completely as my boss's do not. Craig from Georgia,the code came right back after clearing and two ignition c... Trouble codes: P0087, P0088, P0401, P0540, U1041, U1064.
2011 Chevrolet Express 1500 LS 5.3L Spark knock VIN: 1GCSGAF40B
Well I had several good responses, but unfortunate non seemed to be the issues. We tested all of the suggestions some before the responses and some after. After it was said and done the customer called and remembered this van has a 100,000 mile warranty so he ...
2007 GMC Envoy SLE 4.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKDS13S27
LAWDY, Lawdy what a mess this turned out to be...I finally convinced the boss and myself this issue had to be valve related. I did a crude leak down and could here air in the intake at cylinder 5. Told the boss I didn't want to deal with tear down. Too much ot... Trouble codes: P0300 (Random misfire).
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