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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 21, 2013
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Open Help Requests for GM
Help Request Answers
2005 Buick LeSabre Limited 3.8L fuse 29 undrseat fusebox VIN: 1G4HR54K15
fuse 29 in usfb (15 amp ign switch)blows while driving down the road happened twice in 2 day seperation customer doesn't notice anything until realizes car is dead - ive checked wiring to ign switch, dim, rim, rcdlm, and even abs mod. cant find any bad spots d...
2007 Cadillac DTS L 4.6L Air Ride Level VIN: 1GEEH06Y67
This Caddi is a funeral coach - the air ride suspension is only on the rear & we do not have a wiring diagram that shows the air pressure sensor circuit in it. this car will cycle the air out of the rear when car is shut off. it will not raise the car when sta...
2006 Chevrolet C5500 Kodiak C5C042 6.6L Over revving VIN: 1GBE5C1206
While checking for the turbo position codes, the engine started over revving and bent push rods and broke rockers. The tech was using some cleaner to clean some carbon but was very slight amount. At the time we were assuming the cleaner did it. After repairing... Trouble codes: P003A, P2563 (boost control position sensor performance), P0565 (Cruise control switch circuit)
2006 Chevrolet Silverado 3500 LT 6.6L MIL Lamp on VIN: 1GCHK39D16
We have a "06 duramax vin code "d" lbz that we installed new head gaskets and cleaned the turbo unison ring. Since then, the turbo will not learn position. It will set a code p003a. We have removed the valve from the turbo and confirmed full range of motion of... Trouble codes: P003A
2006 Chevrolet Trailblazer LT 4.2L gauges VIN: 1GNDT13S96
the customer stated the door remote quit working,windows and locks also quit.now engine will not crank over and radio is off.ocasionaly radio will come on and starter will crank,engine will start.when running all gauges are down and bat light on.has a new ign ...
2001 GMC Yukon XL 1500 Denali 6.0L Mil VIN: 1GKFK66U11
Truck came in with the complaint of dying at signal lights. I noticed that the "Check Engine" light would be on when I turned the key on and would be off when running, but when I stopped the truck and turned the key back on, no "Check Engine" light. I plugged ...
2006 GMC Envoy Denali 5.3L Misfire
hello everybody a little help please before i go any further 2006 5.3 gmc envoy misfire cyl 1 installed compression gauge and cranked over first pulse it read 110psi released pressure and tried again got a reading of 0psi removed valve cover to observe no loos... Trouble codes: P0301
2007 GMC Yukon XL 1500 SLE 5.3L rear lift gate VIN: 1GKFK16377
The rear lift gate will not open on this vehicle. There is no power at the fuse. If i supply 12 volts at the fuse it will open. What is causing no power to the fuse? Also the rear doors will not unlock with remote. Fronts will. Not sure if the two are related ...
2008 Pontiac G6 GT 3.9L forward gears VIN: 1G2ZH36158
Customer brought me his car says pulled up to a stop sign and car would not move unless he puts shifter in manual mode car drives fine in manual mode has good reverse. no forward gears if in drive. think I have electrical problem not sure. one other guy on her...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Silverado 3500 6.6L cooling system VIN: 1GCJC33124
thanx for all the replys. i removed and dissassembled the oil cooler and found a spot on one of the gaskets that appeared to be leaking. i dont know why it smelled like diesel fuel but after some disassembley i found that it would be very unlikley to get fuel ...
2004 GMC Canyon SLE 3.5L MIL Lamp on VIN: 1GTDT19644
Ended up being a glitchy MAF sensor,just happened to catch it,grams went from 6+ to low 4s,when it went to the low 4s...long term dropped to +3. Thank you all who replied :-) Jim
2003 Oldsmobile Alero GL 3.4L Starting VIN: 1G3NL12E73
Thank you to all who replied. Your input was greatly appreciated. Patrick, from Illinois, hit the nail right on the head. The AC-BFC fuse was blown. Replaced it and it went from a no-start condition to firing right up. Thanks, Patrick!
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