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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 27, 2006
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Impala LS 3.8L motor VIN: 2G1WH55K31
this is a clasic intermitant problem, car can be driven 10,20,30,50,75 miles before problem happens or not.cust states stalls during light accelaration & always restarts it is too random for cust to be watching dash lights, tach, etc when it happens, the conta...
1989 GMC K2500 Sierra SLE 6.2L Radiatior VIN: 2GTGK29J7K
I am a Saab Dealer tech, so I don't have a whole lot of experience on these cars. I am helping out a fellow scouter. He has done the work so far and has asked me for advice. I looked over the work he has done and see no problem with the work. He had a small ...
1997 Saturn SW2 1.9L Vent temp VIN: 1G82K8274V
I have a 97 Saturn SW2 that won't blow cold out of the vent. A leaking compressor was replaced 9 months ago along with the drier. When the car came in it had a low side pressure 40 and high side 175, with a vent temp of about 70 degrees. Ambient air temp was...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet G20 Beauville 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCEG25HXK
THanks everyone for your help! It ended up being the EGR valve. There is a sleeve that the valve goes through and it was cocked just slightly, which left the valve open just slightly. My vaccuum tests on it worked because it was still technicaly working but ... Trouble codes: 33 (Map Sensor High Voltage Or Misfire Condition).
2002 Chevrolet Cavalier LS Sport 2.4L Poor Idle Quality, too high VIN: 1G1JH12T22
I'm closing this with a summary instead of a fix because I'm not sure if I have a definite fix. So far the idle is staying around 900 most of the time. I had a few replys to this problem. One stated that he had seen problems on sunbirds with the 2.4 engine. Ot...
2002 GMC Yukon Denali 6.0L Surge VIN: 1GKFK66U52
Problem solved. While watching the transmission datastreem on the Mentor or Gynesis, the TFP switch would change from drive 4 to park/neutral while in overdrive, and from drive 3 to drive 2 with shift-lever in drive 3. The TFP switch is bolted to the bottom of...
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