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Prev Professional Automotive Repair Technical Discussions for February 13, 2005
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 1GCGK24R2W
Misfire on #3 and #4..This trucks came to us from another shop who resealed the intake. It ran bad both before and after their repair. We started off with cam sync testing because they didn't know what that was and we located a broken distributor with loose c...
2002 Chevrolet Tracker 2.0L heater core VIN: 2CNBJ13C12
Hi group, again me with the same problem, but i have some news details. 18 months ago this Tracker came in our shop for the heater core leaking. The heater core have been replaced by another technician. Six month later the heater core leak again, another repla...
1999 GMC Safari SL 4.3L Code #CO 242 VIN: 1GKEL19WXX
ABS light comes on as soon as vehicle goes above 3mph, then stays on. Code CO242 EBCM control valve circuit. The diagnostics for this code deal with the 2 wire power and ground connector at the EBCM which is on the frame to the left of the transmission. Tha...
2002 GMC Yukon Denali XL 6.0L pump VIN: 1GKFK66U52
A month after the service the customer stopped by and complained of a problem when backing out of his driveway. When he turns the wheels all the way it seems like something is binding, and when it is wet outside the symptoms are even worse, vehicle seems to "s...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet S10 2.2L Excessive Emissions
We cant fixed because customer take . Still dont camback. we thing the first problem was the ECM, becouse some time dont groud the egr sel. cat,. conv. meybe was bad too. we put the car ibn the hoist and put in gear. warm etc. still no ground. Thanks to everab...
2000 Chevrolet Silverado 2500 6.0L No Start VIN: 1GCGK24U7Y
This truck never acted up again for me. Someone mentioned the coolant sensor & ait temp sensor, they read within 5 degree of each other at every time checked. Several replied about fuel problems. one said the amps were to high, onother said amps to low. I ra...
2001 Chevrolet Impala LS 3.8L temp guage VIN: 2G1WH55K91
this is the strangest thing i have ever seen .no the most stupid thing i have ever seen . i hope you G.M.engineers are reading if you can ... Scott [...] i owe you a beer this car needed a thermostat . seems that some engineer thought it would be a good idea...
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