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Prev Professional Automotive Repair Technical Discussions for October 29, 2013
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Trailblazer LS 4.2L ignition switch VIN: 1GNDT13S12
perfrom computer scan has code b 2960 also code p1336 anti theft deterent imoblizer not sure how system works thanks for any help you can give me fellow techs
2006 Chevrolet Corvette Z06 7.0L P0622 message "Check charging system VIN: 1G1YY26E16
The alternator is working in this car. The battery is new. I have a constant 12v and 5v signal to the alternator. Pcm is commanding 100% field too much it appears and is setting the message. The problem I am seeing is current. From the alternator to the fusebo...
1996 GMC C1500 Sierra SL 5.7L r p m VIN: 2GTEC19R5T
when this truck came in the rpms were at 3000. we put the scan tester on and had 2 codes P0507 ( idle control system) ans P1509 iac system too high ( the rpms werre too high so this code is set) We smoked the whole intake EGR exhaust system and had a couple of...
2004 GMC Sierra 2500 SLE 6.0L 2nd gear VIN: 1GTHK23UX4
Hi to all and thanks in advance for the help. Just replace seal in transfer case because T.C. was overfilling with ATF. Customer also complained about a slow engagement in mornings. Pulled trans pan and inspected an replaced filter. Pan was clean as could be, ...
1994 Oldsmobile 98 Regency 3.8L No Start VIN: 1G3CX52L9R
This car will some times start and sometimes not 50% of the time. No spark when it wont start. When it does start it runs perfect. Cam and crank sensor have been replaced as well as the crank pulley. Ignition module was replaced a little over a year ago (diffe... Trouble codes: P0341 (Cam/crank error)
2000 Pontiac Bonneville SE 3.8L Battery draw VIN: 1G2HX54K14
First I wanna thank you in advanced if someone can help solve this nightmare!Came in for a battery draw.i narrowed it down to the ign. switch fuse,fuse 29 on rear fuse block.if I unplug the dim,the draw goes down,if I keep that unplugged and unplug the rim the...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet Corvette 5.7L Hesitation VIN: 1G1YY32P9S
Thanks for all the replies on this vette, got a ton of suggestions, many of you were right on the money with the opti-spark dist. being the failure. Didn't want to believe it after only approx. 3600 miles, but it was bad. Rotor would actually move independen...
1995 Chevrolet Tahoe LS 5.7L Hesitation, Cuts out VIN: 1GNEK13K2S
Dead head pressure on fuel pump is 36 psi, has wrong pump installed. Do not believe that pump is primary cause of problem. If o2 sensor unplugged vehicle runs better. Checked signal wire to o2 sensor, purple wire. Have good voltage. Replaced o2 sensor. Engine ... Trouble codes: 45 (Rich exhaust).
2007 Chevrolet Tahoe LTZ 5.3L Unknown VIN: 1GNEK13057
well like everyone posted,the radio wiring was all messed up.wow. rewired with factory radio.starts and shuts off normal now.thanx again.don't see why it would act up intermittantly though.
2008 Chevrolet HHR LT Panel 2.2L MIL Lamp on VIN: 3GCDA05D38
We could never get this HHR to act up, never reset any codes, and no driveability symptoms. Inspected harness pins at PCM and throttle body, no obvious faults were present, however the wiring at TB was "brittle", we replaced the TB connector with new Delco pa... Trouble codes: P2119 (TP closed performance), P2135 (TP sensor 1-2 correlation), P2176 (Minimum TPS not learned).
2003 GMC Envoy SLT 4.2L abs VIN: 1GKDT13S13
frist off thank you all for help with this truck. And I seem to have offened some with my "no-data" comment. It is probly more my fault for my frustrations with alldata in the fact that I don't know how to navigate the sight as well as I should. Dan from wisco...
1995 Oldsmobile 88 Royale 3.8L Starting VIN: 1G3HN52K3S
Well we told the customer that it need it a pcm but we still wating on an aproval. I guess he had an accdident and he in the hopital. I dont know if he is going to want to fix it or not. Thanks to everyone and their comments
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