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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 1, 2006
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet Blazer 4.3L shifting all gears
Hi Friends, This truck came to me from a local trans shop who rebuilt the transmission. Using a scan tool the trans operates fine, without the scan tool it jerks, shifts hard and drives like a pile of you know what. I've Checked and rechecked the common patter...
2003 Chevrolet Suburban 1500 LS 5.3L trans interlock VIN: GNFK16Z23G
My friend's son has been mean to his Suburban. Seems he was angry because he was not allowed to drive it and pulled the gearshift on the column down with the ignition locked. Then he found that the key was jambed and would not turn. I pulled the ingition cover...
1996 Geo Metro 1.3L 1-2 shift VIN: 2C1MR299T6
Hi all i have this metro that has a code P0705. I ran a complete analysis of this code, but yet the vehicle pulls of in limp mode. If i shift it manually it will run through all the gears. I tested PCM 22-pin harness connector terminal 15, while moving through...
2002 GMC Envoy SLE 4.2L water pump VIN: 1GKDT13S12
hi, with replacement pump in hand it appears that the threads of the fan clutch are normal. I have not been successful at removing the fan clutch and looking for suggestions. I have heated the coupler and still no go. i am using the recommended tool to hold t...

Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet Camaro Z28 5.0L No Start VIN: 1G1FP23F4M
thanks to all that replied - i measured resistance of key & inserted it in the harness under the steering column. vehicle starts everytime so far. thanks again kurt
1996 Chevrolet Impala SS 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 1G1BL52P0T
I have to close this help request due to running out of time. The car is not fixed. I thank every one for helping out. We tried every ones suggestions and more. Thanks again for all the help. I apologize we could not get this fixed.
1997 Chevrolet Malibu 2.4L Stall VIN: 1G1ND52T6V
Thanks to all who replied.The customer took the vehicle and has not brought it back. I don't think I did a very good job of explaining the problem concerning the difference in rpm data between the scan tool data and the instrument cluster tach.The tach was s... Trouble codes: 507 (idle high).
2002 Chevrolet Silverado 3500 8.1L Hesitation, Misfire VIN: 1GCJC39G32
Hi everyone. Thank you so much for all the helpful replies. The company that owns this vehicle has not decided what to do with it. A few of you suggested that it might be a plugged cat, which I eliminated as a possibility by dropping the exhaust with no change... Trouble codes: P0300.
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