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Prev Professional Automotive Repair Technical Discussions for May 29, 2012
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Open Help Requests for GM
Help Request Answers
1992 Buick LeSabre Custom 3.8L Commpressor VIN: 1G4HP53L1N
This car came in with the commpressor not operating so i started checking everything well it doesnt have no power to the low side pressure switch the two pink wires at the realy are hot and if i jump the realy it will engage the compressor this car doesnt have...
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2004 Cadillac SRX 3.6L Starting VIN: 1GYEE63714
First Thanks For all the help, Vehicle came in with timing chain's broken we replaced with new design and vehicle started right up but vehicle will not turn off have to disconnect fuel injectors to turn off,noticed key could not be removed from vehicle replace...
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1993 Chevrolet K1500 Cheyenne 5.7L Daytime Running Lamps / Autolamps VIN: 1GCEK14K1P
Daytime running lamps not working on this vehicle. They are required for provincial safety certification. They are supposed to operate the (inner) hi-beams at a reduced voltage whenever the key is on and the park brake is fully released. There is a green indic...
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2003 Chevrolet Express 1500 4.3L unknown VIN: 1GCFG15X93
With AC off, vehicle runs fine. When AC is turned on and vehicle is in gear it sounds as if it is dieseling. Starts out faint when cold and gets louder as it motor heats up. Replaced AC tensioner but no change. Noise is gone with belt removal. When it is makin...
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2006 Chevrolet Tahoe Z71 5.3L No Start VIN: 1GNEK13T76
Vehicle came in for flames coming out of exhaust. Runs rough and hard shifts. Hooked up tech2 and scan for dtc's p0300 and p0455. Went to misfire graphics on tech2 and showed misf. On all cyclinders. Tested each injector and flow was at 105kpa at all injectors...
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2000 GMC Jimmy Diamond Edition 4.3L No Start VIN: 1GKDT13W6Y
now truck cold has no start problem all the time first crank second crank seem to remember fuel presure needing to be in spec range 60 to 69 psi to opperate poppet valves correctly can some one confirm pressure operation / has spark inj pulse and fuel 42 koeo ...
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2003 Saturn Vue 2.2L Mechanical VIN: 5GZCZ33D43
This vehicle was driven on about a 165 mile trip that goes through a canyon and other taxing uphill and downhill grades. When it reached its destination it dumped a bunch of transmission fluid on the ground (this is a CVT transmission). The owner towed the veh...
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Fixes & Summaries for GM
Fix/Summary Answers
1991 Cadillac Eldorado 4.9L MIL Lamp on VIN: 1G6EL13B6M
iwhat i found was that i had a ground problem at the ground post,it was spining round and round.Also the aic moter was making a loud clicking noise,so i replced it and all is well,thanks to all of you for your help,this one is fixed. Trouble codes: 55 (throttle position sensior misadjusted), 52 (memory reset long term).
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2006 Cadillac DTS 4.6L battery VIN: 1G6KD57Y86
It ended up being 2 seperate problems. The interface module for aftermarket stereo was intermittently staying on and keeping a 235mA draw. the main problem was the driver door module (window and door lock switch) it was bad and back feeding power to BCM and tu...
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2004 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13Z14
WE REPLACED THE BACK KNOCK SENSOR AND RESEALED. FOUND NO WATER LEAKS. GUESS WE WILL SEE WHAT HAPPENS. THANKS Trouble codes: P0332.
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2003 GMC Envoy SLT 4.2L not cooling VIN: 1GKDS13S53
Throttle body cleaning fixed the problem. Thanks to all
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