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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 10, 2012
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Open Help Requests for GM
Help Request Answers
2006 Chevrolet Impala LT 3.5L Hesitation, Surge VIN: 2G1WT58K16
When i moniter the varieus inputs and outputs the surge shows up on the graph in the tac command, spark timing jumps up and down see it in the purge valve so disconnected it with no change. Dealer flashed and put a new mass airflow sensor on it. We see a wavef...

Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet Venture 3.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall VIN: 1GNDX03E1W
well as u`all no this my everday driver n have been putting up w/it for quite some time.had scanner brought n was able to oreder iamotor up n down,worked the egr also,m gettin van picked up n goin to a very savvy person thats goin to run other tests for me.eve...
1998 Chevrolet C3500 Cheyenne 5.7L ignition switch security VIN: 1GCHC34R5W
first thanks to all . the fuse to the security in the door jam dash area had been removed . ? . i know not why . that computer that the vehicle ran on was not the computer for that vehicle a boneyard for an automatic .this trk i a 5 speed . anywaay , put the f...
2001 Oldsmobile Alero GX 2.4L Hesitation, Stall, No MIL after stall VIN: 1G3NK12T11
Hello all.I regret to say that I have not yet resolved the stalling issue with this Alero.I again voltage dropped ignition and PCM powers and grounds and all were OK.I verified MAP sensor response and that sensor vacuum port was clean.I also replaced sensor to...
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