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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 31, 2011
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Open Help Requests for GM
Help Request Answers
2006 Buick Rainier CXL 4.2L Front drive wheels VIN: 5GADT13SX6
Hey guys, This Rainier is throwing a bit of a curveball here. The customer brought it in for the front wheels seeming to bind up on sharp turns-in the way that the cross style u-joints do when seized on a 4x4. This Buick is automatic awd with CV joints up fro...
1993 Cadillac DeVille 4.9L Poor Idle Quality, Misfire VIN: 1G6CD53B8P
My turn for a little help. Customer had car towed in said check engine lite came on and stayed couple days ago no differce in running. This morning while driving engine started missing running rough. Code 48 stored for egr, needs solenoid code 52 long term mem...
1998 Cadillac DeVille Concours 4.6L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G6KF5491W
i ran test for icm wiring all passed replaced icm no change in code surges...car surges at idle and intermittent code for pcm memory code any help would be great Trouble codes: P1376
1991 Chevrolet Corvette 5.7L No Start VIN: 1G1YY2388M
Customer states vehicle battery died in driveway. He charged battery and drove down the road 16 miles and back and parked vehicle. Now it wouldn't start in driveway. I tow it in and charge battery and start diagnostics. Fuel pressure good 40-44 psi, got spark ...
2005 Chevrolet Trailblazer LS 4.2L engine VIN: 1GNET16S45
Hey there we got this vehicle from another shop today they drove this car in for a power steering leak diagnosed it as a rack. The next morning went to pull it onto the alignment rack made a loud clunk and then the motor wouldnt turn over. They say they pulled...
1999 GMC Jimmy SL 4.3L trans. shift VIN: 1GKDT13W9X
Vehicle came in with a toasted trans., couldn't get a good test drive because of slipping from the start. Did notice that Trans. would skip 2nd gear., as stated earlier fluid was really bad. OK installed Jasper Reman. unit still skipping 2nd gear and really do...
2004 Saturn Ion-2 2.2L Compressor VIN: 1G8AJ52F24
2 months ago the customer supplied us with an internet reman compressor. Old one failed due to clutch noise. Admittedly we did not flush the system or replace filter screen. (cheap customer). Complaint is worked for two days and quit cooling. Compressor is r...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Cadillac DeVille 4.6L multiple problems VIN: 1G6KD54Y51
Thank you for the replies & thank you to Jaun for the wiring diagrams. I found that with the drivers seat module unplugged I had two less modules show up on a module status check, the drivers seat module & the $6C unknown module. I ended up unplugging that mod...
2006 Cadillac SRX 3.6L No Start VIN: 1GYEE63746
pcm it was. installed and reflashed started right up. Key comes out of the ignition and everything is good. Thanks for all of the help Trouble codes: U1300 (Class 2 data link low), P0318 (Rough road sensor), P1629 (Theft deterent signal not received).
1999 Chevrolet Camaro 3.8L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy VIN: 2GIFP22K9F
Thanks to all for the help and suggestions. I removed the alternator and the coil pack which made it much easier to see everything. This also made it unnecessary to remove the front injectors. (drivers side needed a little wigglin) Pulled the rail, changed ...
2001 Chevrolet Silverado 2500 HD LS 6.6L Misfire, MIL Lamp on VIN: 1GCHK29121
Never did get it to reset the group 2 codes. We sugested new injectors and/or inspect harness under valve covers.Customer did not want to spend any more money on trk.She was going to sell it Thank for all the help Trouble codes: P0202 (Short2), P0203 (Short 3), P0205 (Short 5), P0208 (Short 8), P1265 (Grupe 2 disable).
2002 Chevrolet Tracker ZR2 2.5L Smokes At Start Up VIN: 2CNBJ73432
WANTED TO WAIT BEFORE CLOSING THIS REQUEST TO MAKE SURE WE WERE SUCCESSFULL. ADAM FROM WISCONSIN we had one with the same problem a couple years ago. We did the heads on it, and the same problem was still there. Take the valve cover off (with pcv) and remove...
2002 Chevrolet Cavalier 2.2L right turn signal VIN: 1G1JF52462
many tell me sockets, many tell me multifunction switch, some say flasher. i found what apears to be burnt sockets however minute. i ordered new rear sockets but the problem has yet to return nor has the customer. thx
2005 Chevrolet Aveo LT 1.6L MIL Lamp on VIN: KL1TD62645
I have found the problem, after spending a ton of time we checked all the 5 volt refrences with 1.2 v on the tps and ftp sensor. So we disconnected the pcm all the sensors to the pcm, we checked for a rough road sensor, acoording to all data the sensor is mou... Trouble codes: P0122 (Tps low voltage), P0342 (Cam sensor low voltage), P0449 (Evap vent preformance).
2006 Chevrolet Malibu LS 2.2L Misfire, MIL Lamp on VIN: 1G1Z53FX6F
Well guys thanks for the help. I didnt end up fixing this car. The customer wanted to take it back to his home town. He is a college kid and beings the car was still driveable his parents wanted their local shop to fix it. But I did end up with some more info... Trouble codes: P0300.
2000 GMC K2500 Sierra SLE 5.7L No Start VIN: 1GTGK23R9Y
Hey all I have to apologize, because my mechanic didn't time the engine according to all data. That meens it was timed on cyl.1 but distr. was also # one but it supoused to be on #8. I asked him several times about that, and he said it's good. Thanks again Re...
2001 GMC Yukon XL 1500 Denali 6.0L Hesitation, MIL Lamp on, reduced engine power VIN: 3GKGK26G61
This roach is fixed! thanks for every ones help. most of you said throtlebody was junk, and sure enough it was. been running fine for about a week. thanks again everybody! Trouble codes: P1220, P1221.
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