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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 6, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2005 Buick Rainier CXL 4.2L suspension VIN: 5GADT13S65
Vehicle has air shocks in the rear, they leak down after a few days w/ rear of vehicle sagging. Start up vehicle and rear comes right up. What is the most common failure of this and what testing came you do to confirm. We are a transmission shop and not to fam...
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2009 Chevrolet Silverado 1500 LT 5.3L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1GCEK29019
Hello, this truck has never acted up for me. Customer has dropped it off several times and says that it is getting more and more frequent. When the truck starts cold it runs horrible, to the point the customer thinks something is horribly wrong with the motor.... Trouble codes: P1400 (Cold Start Emission Reduction Control System)
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2007 Saturn Aura XR 3.6L Misfire, MIL Lamp on VIN: 1G8ZV57757
GM tech, please help on this baby, install scanner, p0300-misfire, road test & verify engine has a light misfire on #1,3 & 5 cylinder at light throttle only at 1500rpm [...] 2000rpm, check fuel trim & oxygen sensors reading, all within spec, sway cam sensors & so... Trouble codes: P0300
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac Escalade 6.0L Reduced engine power VIN: 1GYEK63N03
So I checked the grounds a long time ago and they were tight, this time I removed them cleaned them and added an extra ground to the tac module itself about two weeks ago. Talked to customer today and all is still in working order. Appreciate the help sometime... Trouble codes: P2135, P1125, P0121.
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1993 Chevrolet Corvette 40th Anniversary Edition 5.7L No Start VIN: 1G1YY23P3P
Thanks IATN members for all your replies. The fix for this vehicle turned out to be a broken wire at the ignition. White wire broken right at the key cylinder. We replaced the ignition switch with a dealer item. Cost was 125.00 with the key. Vehicle started ri...
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2001 Chevrolet Silverado 2500 HD 6.6L No Start, Stall VIN: 1GCHC29181
Well I ordered the Kent Moore block off kit so that I could test the high pressure side of the system properly, ended up that 20ml return is at the max end almost and its really bad when it from one injector. Using the block off kit i was able to isolate that ...
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2004 Chevrolet Silverado 2500 HD 6.6L Vss VIN: 1GCHK24144
Thanks for all of the replies on this problem. I was able to source some cable from a local electronics store. Replaced the VSS circuits from VSS sensor to TCM and problem is fixed. When I have some more time I will go through the Mouser catalog. They look to ...
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