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Prev Professional Automotive Repair Technical Discussions for June 26, 2004
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Open Help Requests for GM
Help Request Answers
1989 Buick Regal Limited 2.8L No Start, Cuts out VIN: 2G4WD14W6K
I do not know what else to check on this one. I have isolated the problem to only having 2.7 reference volts to the map, tps and egr position sensors. I already checked for bad grounds at the ecm by doing voltage drop checks while cranking, I even ran separate...
1995 Cadillac Eldorado 4.6L intermint service ride control VIN: 1G6EL12YXS
drive down the road and it hits a bump and it display check suspenion but it doesn't do it all the time. the customer is not that heavy so i don't think it because it a awkward situation. he does carry family of 4 in the vehicle.
1993 Chevrolet motorhome 454CID p/s pump VIN: 1GBKP37N33
Went thru GMs manual on bleeding the system.Got a lot of air. Noise goes away until you bring the rpms up and apply the brakes or turn the steering wheel. Rebleed the system and the air is there again. There are no external fluid leaks at all. I have worked on...
1995 Chevrolet Blazer 4.3L No Start, interminttent VIN: 1GNDT13W65
We have this 1995 blazer that is an intermittent no start. When we have it it works fine when the coustomer has it well you know the story. finely got it to quit on us we have good spark and 60 psi fuel. unplugged the injector plug and no inj pulse. had power ...
1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13WXS
Blazer came from another shop with no start condition. It has good fuel pressure but no spark and no fuel injector pulse. Ignition control signal from ECM to ignition coil module (ICM) is normal but no pattern signal coming from ICM to coil -. Powers and groun...
1995 Pontiac Bonneville SE 3.8L Cuts out VIN: 1G2HX52K4S
the customer states symptoms appear to be the same as last july when the fp was replaced ( work done at another shop) the vehicle cuts out while driving mostly on turns and sometimes hesitates on restarts ok & is fine for a while. could it be the fp...

Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet Astro CL 4.3L long crank VIN: 1GNDM19Z3M
OK here we go. After 2 ecm's and a new prom I decided that the ecm energizing the relay for 2 seconds after the vehicle sat for a little and not energizing it during an immediate restart and not energizing it during the first 5 seconds of cranking may be norma...
2000 Chevrolet Silverado 2500 6.0L compressor belt
I appologize for waiting so long to close. I've been waiting to hear back from our customer. I recieved 5 messages from 4 techs with suggestions. Also I've talked to a friend who is a service manager at a local Chev. dealer. Suggestions were replace (1) tensio...
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