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Prev Professional Automotive Repair Technical Discussions for April 30, 2005
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Open Help Requests for GM
Help Request Answers
1982 Cadillac Seville 4.1L starter shimming VIN: 1G6AS6985C
Recently replaced starter ...GM (Delco) #1988710 After replacing the starter with the factory shim it made noise engaging the flexplate ( the kind of noise you dont want to hear ) also I noticed all 3 bolt holes had been helicoiled ( could this have been from ...
1995 Cadillac Eldorado 4.6L ac low pressure sensor VIN: 1G6EL12Y65
hi any help would be great. this car blows the ac low pressure sensor when driving. code ao 12 and the compressor will not come on. check the 5 volt ref at the connector it is good, replace the sensor, ac blows cold and will be fine sitting idling ALL DAY LONG...
1998 Chevrolet Astro 4.3L Module unstable VIN: 1GCDM19W7W
Hi all, i have this van keep setting code P1870 Transmission Module Unstable... any info or any of u guys had this problem please let me know ...i also have a 1997 GMC safiri setting the same code i try clearing it and after about 2 days it will be back. It is...
2001 Chevrolet Monte Carlo SS 3.8L 1-2-3-Convertor Shift VIN: 2G1WX15K91
The car shifts perfectly until I get into start and stop traffic. After a few start and stops it goes to 0 amps (Full Pressure) and starts to shift hard. The engine maintains normal operating temperature and it does not do this every time under the same condit...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet Lumina 3.1L no symptoms..just mi VIN: 2G1W52M5V9
Thanks to all 4 that replied.You each pointed to the vent solenoid.I ended up replacing the solenoid and all is well now.The code has not reset after 2 days...considering this one fixed.Thanks again, Randy Trouble codes: P1675 (EVAP Vent Solenoid Control Circuit).
2003 Chevrolet C4500 Kodiak C4C042 6.6L adapter plate VIN: 1GBC4E1163
Thanks for all the input. Here's a brief summary of the replies. One reply said that is was not uncommon for these engines to break a plate or even a bell housing. Other replies said to check the front engine mounts, and the driveshaft brake drum, and drivesha...
1991 Oldsmobile Toronado Trofeo 3.8L Excessive Emissions VIN: 1G3EV13L4M
First off...thanks to those who took time to reply. Iatn is the best! Secondly replacing the PCM fixed it. Looking objectively, if the siganl going into the PCM is good, grounds are good and it gets a different reading...it's no good. Unfortunately I got invol...
1994 Oldsmobile Cutlass Ciera 3.1L No Start, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G3AG55M8R
Well im gonna say this one is fixed.Its been three days and no call from customer.For some reason,the ignition control module was setting the cam position code.Replaced module so far so good.Thanks,Mike. Trouble codes: P0341 (Camshaft position sensor).
1992 Pontiac Bonneville SE 3.8L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1G2HZ52LXN
Customer didn't fix this car as of yet. It is hard to get car to act up right now. Outside temps aren't warm enough to make act up so is going to wait until warm enough. I had suspicions of fuel injector, coolant sensor always reads correctly, fuel pressure wa...
2000 Saturn LS2 3.0L MIL Lamp on VIN: 1G8JW52R7Y
ok here we go ,1st of all thanks to all who sent help,yes saturn told us the same thing about the engine wiring harness ,we did put on the new harness and so far so good and we pray it did fix it.. no one knows why or what as to why this fixes it ,we did take ... Trouble codes: P0221 (p1523-), P1523.
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