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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 24, 2005
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Open Help Requests for GM
Help Request Answers
1987 Chevrolet Nova 1.6L Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy VIN: 1YSK5140H7
We have an interesting problem here. Car has a motor with 5,000 miles on it. Owner broke the transaxle and car set for about a year. We replaced the transaxle with a used unit. Motor would idle but would not accellerate before or after transaxle replacement. ...
1993 Chevrolet S10 4.3L no mil light VIN: 1GCCT14Z4P
Truck came in with customer stating that after truck becomes hot it will shut down. Temp gauge was not working and I replaced bad sending unit for gauge. Truck runs around 200-210 degrees in shop and was not able to confrim shut down. It does start too run rou... Trouble codes: 14 (coolant sensor high), 15 (ECT low), 23 (IAT low), 32 (egr error), 34 (map sensor circuit low), 35 (IAC error)
2002 Chevrolet Cavalier 2.2L compressor
ok gm technicians were do i start i hooked up scanner pushed ac button on dash computer on data screen says no a/c demand to energize clutch relay i already know i have power at the clutch relay at both spots and if i ground the relay were the pcm is suppost t...
2003 Chevrolet Silverado 1500 HD LS 6.0L pressures
Sorry that I don't have the vin and exact milage on this truck, but I have thought about this all weekend, and I wanted to get the post off now, so I could see some ideas tomorrow. This truck came in with no belt on the compressor. Since we had replaced the be...
1996 GMC C1500 Sierra SL 4.3L peddle travel VIN: NOT AVAILA
hay guys got a gmc with excessive brake pedel travel after reparing rear main brake line and front pads and rotors bleed brakes profusely front and back no difference ... the brakes seem to work fine lock up good kelsey hayse abs works good you dont need push ...
1992 Oldsmobile Toronado 3.8L Misfire VIN: 1G3EV13LON
I seem to be having a problem that I thought was going to be a piece of cake! I have a engine miss under load that I cant find. After replacing the plugs and wires (Orignal) I found the crankshaft sensor was loose in its bracket and hitting the dampner shutter...
1993 Oldsmobile Cutlass Ciera 3.3L Excessive Emissions, Hesitation
I have tryed to figure this car out ,we have checked it several times and nox prog. gets worst.Car has 84.000 miles on it and runs really well other then slight hes. esp. when cold.Scanned car all data looks good other then block l. seems a little high(around ...

Fixes & Summaries for GM
Fix/Summary Answers
1956 Chevrolet 150 350CID Excessive Emissions, Poor Idle Quality VIN: 5612345789
Thanks guys for all of the replies.Based on all the info I received sounds like I have a weak engine.Sorry that I did not give more info in my request for help.I did not build the engine it was in car when i got it.I did however install elect ign.I also have h...
2001 Chevrolet Malibu 3.1L Surge VIN: 1G1ND52J61
I got replies saying the egr was bad, the tcc had problem, but I was unable to find the problem. I will continue to try to find the fix and share it with you all, thanks for the replies
2002 Chevrolet Venture LS 3.4L compressor VIN: 1GNDX03E32
thanks to all who replied to my request, I received several replies from a weak compressor, updated condenser, low airflow through condenser, expansion valve. etc.. At this time customer wanted to try the updated condenser as per bulliten # 02-01-38-004A and i...
2003 Chevrolet Trailblazer North Face 4.2L transfer case VIN: 1GNDT13S93
Hello thanks for the replies. Turns out this vehicle had been to the dealer several times for a service 4wd light and no problems were found. Replaced the encoder motor and was able to get function and switching but not good, was nec. to replace the module and...
1995 GMC Safari SLE 4.3L Unknown VIN: 1GKDM19W5S
Hello Guys, Well it's fixed. The replies I recieved mostly concerned grounds & power connections at battery,body,& PCM. All these checked out OK. Bill from California hit the nail on the head when he said to jump the battery because it may have a voltage drop ...
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