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Prev Professional Automotive Repair Technical Discussions for October 23, 2011
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Open Help Requests for GM
Help Request Answers
1996 Buick LeSabre Custom 3.8L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1G4HP52KXT
car has good fuel psi & volumne / good battery.. This car is pushing last button. Never breaks down when I have time or tow truck to use. And you guess its family. The problem is I'm on the interstate coming home with it and using the best test instrument ever... Trouble codes: P0336 (Crankshaft position sensor circuit)
1994 Chevrolet Corvette ZR-1 5.7L Stall, Misfire VIN: 1G1YY22P8R
This car was just bought from a dealer and it seems as though some one has been here before. this is the first opti-spark system i have worked on and i was hopeing for some advise. Trouble codes: 42 (Est grounded)
2004 Chevrolet Silverado 1500 4.8L Poor Idle Quality, Stall VIN: 2FCEC19V24
Truck does have a low idle 550 to 600 rpm but the main concern is that the truck will stall occasionaly on slow turns. It always starts back with no hesitation. It does not stall at idle but idle still seems too low. Trouble shooter had us check charging syste...
2005 Saturn Ion-1 2.2L Mechanical VIN: 1G8AL52F85
simple request im a chrysler tech and this is my nieces car she ran the trans low on fluid i fik the leak how do you refill the unit,i see black fill plug on top if there another plug to see how much you put in.and does this take dexron it is a 4 speed automat...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Silverado 2500 HD 6.0L Coils VIN: 1GCHC24U43
apparently it was the ignition coils itself. some how they got burned out and burned the pcm. we swap the coils from the managers truck crank it and started right up. so the truck is runnig perfect now which i could of find that out alot sooner.
2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23134
thank you for all the help,the help request was closed long ago but I guess did not go thru.all the replies were help full lots of info,lots of was to test they they were all helpful,the problem was 1 glow plug,pulling system down and setting code,upon removal... Trouble codes: P0380.
2007 GMC Yukon Denali 6.2L Srs VIN: 1GKFK63867
thank you for your replies, ended up being that the positive assurance clips were missing in the connections at the air bags, they keep the shorting bars out of the circuit.
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