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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 5, 2004
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Open Help Requests for GM
Help Request Answers
1986 Cadillac Fleetwood Brougham 5.0L Excessive Emissions VIN: 1G6DW69Y5G
High CO on accell causing im240 failure. Very clean in stall at Idle or cruise. Trace from testing station shows very rich under load. No evidence of raw gas at purge valve. Known good O2 shows lean all the time (appx.150v) then jumps rich(.900v) when air pump...
1984 Chevrolet K5 Blazer Silverado 5.0L distrubator VIN: IG8EKI8HXE
the truck will start some times runs till it worms up then it will die thought it would be the coil that was not it so i tried the pick up coil that was not it so i tried ing modual that was not it. the red wire that is going to the coil is hot when the ing is...
1994 Oldsmobile 98 Regency Elite 3.8L Surge VIN: 1G3CW5218R
car came in with mil light on and a complaint of a shudder and vibration under a sudden load or a sudden acceleration. scanner reveiled a high tp sensor voltage, we took it off and sure it was stiking in the wide open throttle . replaced sensor and cleared cod...
2004 Other GM ADMIRAL SE 8.1L No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 5B4LP57G73
HOPE THERE IS AN RV TECH OUT THERE WHO CAN HELP.This is my personal vehicle.It has been running great until this past Memorial weekend.After driving for 2 hours with no problem,as we pulled into campsite at idle,vehicle felt as if" loading up "then shut down.B...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Roadmaster Limited 5.7L Surge, Cuts out, Misfire VIN: 1G4BT52P2S
I am sure the car will be fixed soon Bob is getting the cash together to repair it. the dist. is costly and the wires look to be time consuming to install so this will be done later this month. Thanks for all your time
1990 Cadillac DeVille 4.5L Poor Idle Quality VIN: 1G6CD5332L
thanks for all the replies. the problem came out to be the idle speed control motor. all the ground connections are tight and good contact. i hope this one helps everybody. thanks a lot. Trouble codes: 30 (idle speed control motor).
1996 Chevrolet C3500 7.4L Misfire
First, thanks to all 20 people that took the time to responde to my post. Sorry took so long to close this,but I just finished truck today, waiting on parts... I replaced engine and all was well. But I took the advice of many responces and did a little more ...
1997 Chevrolet Express 1500 5.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GBFB15M4V
The fix was a distributor cap! I checked the plug wire terminals as suggested, but the ohmmeter indicated open circuit on all terminals to each of the other terminals. I pulled the left valve cover to check for broken valve srings just for grins. No Problem ... Trouble codes: P0300 (Random misfire).
2000 Chevrolet Silverado 1500 5.3L drivetrain VIN: 1GTEK19T1Y
Thanks for all the replies! Sorry about my delay in closing, this new baby boy takes most of my free time. With over 20 replies, more than 15 said the noise is from the slip yoke binding on the output shaft. Some said lube the splines with grease (or GM 'speci...
2000 GMC Savana 3500 6.5L oil leak VIN: 1GTHG35F5Y
Thanks to the 4 replies I got for this problem. Dan from Illinois got me moving in the right direction. The sensor was added as part of an aftermarket monitoring system. My hats off to the installers for such a professional installation into the original harne...
2003 GMC Sierra 1500 HD SLE 6.0L Ride Quality VIN: 1GTGK13U43
Hello All, Thanks for being patient. Customer just got this vehicle back from dealer recently and has reported back to me.. First I want to thank all that tried to help me, Eric,Ken,Keith,Al,John,Matthew,Donald,Hugh,Jack,and Lawrence. I will have to say all ...
2000 Pontiac Montana 3.4L ABS light comes on VIN: 1GMDX03E3Y
It was scanner's software problem. Frend of mine brought Modis . This car has a problem with right rear wheel speed sensor. I was replaced it (sure together with wheel bearing). Customer was very happy.Thanks to all who read and responded.
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