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Prev Professional Automotive Repair Technical Discussions for March 6, 2005
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1993 Chevrolet C1500 Cheyenne 4.3L spark rattle VIN: 1GCEC14Z2P
truck was brought in with terrible spark rattle, has been to another shop and i see the egr valve and the egr solenoid have been replaced along with the map sensor. customer says truck was running fine then all of a sudden started spark rattle. i have checked ...
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1996 Chevrolet C1500 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Engine idles rough and won't idle lower than 1200 rpms. A week after spark plugs were replace #2 spark plug looks darker than the other ones. Scoped engine And found kvs ranging between 8 & 12 kv. #2 had 8kv and spark line was shorter than others, about .75 ms... Trouble codes: P0502 (Cyl 2 Missfire Detected)
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2000 Chevrolet K2500 5.7L 1-2 shift VIN: 1GTGK29U3Y
Hi All: Have a very good customer of our shop who has a concern of intermittent delayed and or extemely harsh 1-2 shift. This concern is ongoing and the local dealer has been unable to repair this concern during the warranty period, which has now expired. In a...
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2003 Chevrolet Silverado 1500 HD LS 6.0L XM Radio VIN: 1GCGK13U93
We replaced the VCM and reprogrammed it with the lastest calibration. Since the install the XM radio will not work. We have tried having the signal sent from XM numerous times as well as reprogramming the radio control module. We also performed a vehicle theft...
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Fixes & Summaries for GM
Fix/Summary Answers
1975 Chevrolet Camaro 5.7L column bearings VIN: 1S87HSN523
I had responses to check the joint at the firewall for being locked up, to check the preload spring for being too hardened, & the upper joint being stiff. Two responses were to make sure the customer wasn't pulling himself in & out using the steering wheel, wh...
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1998 Chevrolet Malibu 2.4L MIL Lamp on, GAUGES FLUCTUATE VIN: 1G1ND52T3W
we reset the ecu. problem came back one time. we again reset the ecu. we could not duplicate the problem again. the customer picked up the car, and drove it for 3 days. he called back w/ a dead battery. we found corroded connections at battery terminals. car h...
3
2001 Chevrolet Monte Carlo LS 3.4L motor VIN: 1N25467E41
Hello, I ended up doing some more pinpoint tests with ALLDATA ,with no sucess. Finally I tried a different computer and flash programmed it and it works just fine. Thanks Mike
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1992 Oldsmobile Achieva S 2.3L sparks VIN: 1G3NF51D7N
Its sunday night so I haven't been back to work yet but a few people very confident updated balancer #[...] w/ground will fix the problem. Thanks to all who helped. The more I use iatn the more I love my job.
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1996 Oldsmobile Cutlass Supreme SL 3.4L Poor Idle Quality, MIL Lamp on VIN: 1G3WH12XXT
This car has not set a misfire code since it left. Apparently the vacuum hose swap fixed the Evap problem and the misfire problem. Trouble codes: P0300, P1441.
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