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Prev Professional Automotive Repair Technical Discussions for October 1, 2005
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Open Help Requests for GM
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1993 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Poor Fuel Economy VIN: K4P1154896
when engine is worm or cold.the engine lacks power.the convertor was removed for testing.the timing is set at 0 cel.on.replaced dist.cap.wires.rotor.timing gears and chain.
1994 Chevrolet C3500 7.4L Misfire VIN: 1GBJC34N5R
This Chevy Truck fries the number 1 spark plug wire right off within one day! I realize that the cylinder is getting too hot, but does anyone have any ideas why? The ign. timing is good, no vac. leaks, and I put in a cooler thermostat. ( 180 deg.) Thanks in ad...
1996 Chevrolet Astro 4.3L Hesitation, Cuts out VIN: 1GNDM19W6T
Vehicle runs great, drives excellent, except when you floor it, it boggs down, backfires, and eventually picks up. This isnt the first time ive encountered this problem, but the last vehicle i didnt get a chance to fix. All sensors test out good, fuel pressure...
2000 Chevrolet S10 2.2L Hesitation, Cuts out, Misfire VIN: 1GCCS1952Y
Hello everyone. This one is staying over the weekend, and maybe I can get a few fresh ideas Monday morning from all you super techs. 2000 chevy S10 2wd pickup truck. 5 speeed manual trans. Replaced tps due to code p0122. Truck runs fine except for under heavy ... Trouble codes: P0122 (tps), P0463
2001 Chevrolet Monte Carlo LS 3.4L traction control VIN: 2G1WW12ES1
hi fellow members. have a very intermittant problem here. customer states that @ twice a month he will put the car in drive and attempt to take off, but traction lite comes on and vehicle wont accelerate. if he puts it back in park or sometimes just lets off t...
1998 GMC Savana 1500 4.3L Unknown VIN: 1GND23W345
when engine is cold and vehicle runs fine, and in steep hills and when vehicle under full load at initial pickup speed if i accelerate pinging noise i observe if i release accelerator pedal noise will be not heard but if press acclerator pedal noise look like ...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13WXV
found in my scanner the ability to run an injector balance test. all injectors tested good.(no sticking poppets). egr valve not sticking. the kicker was when i happened to go back and look at the missfire counter and noticed that # 3 cylinder had more than tri... Trouble codes: P0300 (random missfire), P1133 (o2 insufficient switching b1s1), P0147 (o2 heater ckt b1s3).
2003 Chevrolet Venture LS 3.4L interior lights
I recieved 2 replies regaurding this matter. However, both suggested there was a loose ground or high resistance. After talking to a buddy of mine who works at a chevy dealer I found this vehicle had been at the dealer for a wiring problem. The dealer had done...
1997 Pontiac Grand Prix SE 3.8L MIL Lamp on VIN: 1G2WJ52K9V
Hello everyone I thought I had closed this thing but I guess not. The fix for this was installing a jumper harness on the air bag module as per a tsb. as for the evap code I found the wires on top of the tank for the sender the connector was corroded I cleaned... Trouble codes: P0441, B1015 (no description).
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