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Prev Professional Automotive Repair Technical Discussions for February 27, 2005
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Open Help Requests for GM
Help Request Answers
1989 Chevrolet Corsica 2.0L Hesitation, Surge, Stall, Misfire VIN: 1G1LT5419K
On light accleration car hesitates while driving, and customer has had car stall out twice and restart fine. In shop loaded up will have visual blipps in injector pattern and spark cutting out for a fractional second. Im thinking it maybe a module or pick up. ... Trouble codes: 45 (rich)
1998 Chevrolet K2500 Suburban 5.7L distubor VIN: 3GNGK26R9X
what i have ran into is the dist will not slip into the oil pump drive, the old dist gear was severly worn and replaced it with a new one, which would not slip into alignment, then tried the orginal gear which would not work either, then got a new dist assb wh...
1998 Chevrolet Blazer 4.3L Transfer case 4X4 VIN: 1GNDT13W0W
In Dec. the vehicle came in, for not coming out of 4X4 when you pushed the switch. I also believe that it would occasionally go into 4X4 on it's own, without touching the switch. The customer's husband had replaced the TCCM (Module), with a wrecking yard unit,...
1997 GMC K1500 Sierra SL 5.7L Misfire, MIL Lamp on VIN: 1GTEK19R6V
Lets start by saying I have spent a lot of time trying to diagnose this vehicle prior to "just throwing some parts at it". This vehicle arrived from a good tire customer at the location I work. He has said whatever it takes just fix it. I have had it for a wee... Trouble codes: P0300
1997 Saturn SW2 1.9L Hesitation, Cuts out, Stall VIN: 1G8ZK8275V
Hi guys, this car belongs to a friend, at throttle tip in and very light throttle applications it will stall or buck and keep running. It does this at approx. 1300 to 1500 rpm. Doesn't care what gear it is in, or road speed. TPS seems OK. MAP appears OK. EGR h... Trouble codes: P1599

Fixes & Summaries for GM
Fix/Summary Answers
1985 Chevrolet Celebrity 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Poor Fuel Economy VIN: 1C1AW19W7F
Since posting my original problem I haven't been able to get the customer to bring back the vehicle for testing or repair if he does so I will add the fix to this posting
1996 Chevrolet Lumina 3.1L MIL Lamp on VIN: 2G1WL52M3T
Most of the 5 replies received, referred to a wiring problem. The technician, from another shop, that I was helping, emailed me that it turned out to be a ground problem...but he did not elaborate. Sorry for the lack of information on this repair. Should this ... Trouble codes: P0101, P0140.
1996 Chevrolet K3500 7.4L ride control VIN: 1GCHK3356T
thx for 4 reply i don't have anything to work with i;ll send it to chevy then i'll post it when they tell me what is wrong with it
1996 Chevrolet Blazer 4.3L Glass VIN: 1GKDT13WST
the replies that said to break the panel to access the release arm were correct what a great design
1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G1JC1242V
i haven't fixed this car. i checked all the replies that i had and didn't fix it. i replaced the plug wires , plugs, injectors coils,the o2 sensor is switching, map l.94, baro 4.79,. injectors at idle 1.9, fuel trim 0, iac 21, tps 47, egr 0, compression at 145... Trouble codes: P0301.
2001 Chevrolet Cavalier 2.2L Pressure control selenoid VIN: 1G1JC524X1
Thanks to all who replied.The problem was pink ign. feed wire to pcm.Wire was broken at the harness that crosses under radiator support. I had load tested circuits for pressure control solenoid with a headlamp and all checked ok. Terminal tension and connectio...
2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23112
Thanks to those that replied for the info. Cleared code 3 weeks ago,and no problem since. THANKS Trouble codes: P0335.
1996 Geo Tracker 1.6L no power
Hello again all, i'm sorry this took so long and i know i didn't thank anyone personally, i wasn't the one working on this, had to wait til i got all the info, anyways it did turn out the crank shaft pulley keyway was sheared, since evrything was checking out,...
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