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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 4, 2007
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet K1500 Cheyenne 5.7L Hesitation VIN: 1GCEK19K4R
Vehicle came in with a very bad hesitation and slowing down the faster you tried to go. I tested the computer with no codes showing up.Tested fuel pressure to find it @ 13.0 lbs. koer. When you test it @ koeo it immediately fell to 0 psi. after peaking @ 13.0....
1999 Chevrolet Cavalier 2.2L pulleys VIN: 1G1JC5244X
Hello Team: A 99 Cavalier comes to me with an intermittent squeling pulley coming from either the water pump, a/c clutch, or an idler pulley. This is an intermittent problem and it's tough to tell exactly which pulley its coming from. i took the serpentine be...
2000 Chevrolet Malibu 3.1L overheating VIN: 1G1MD52J5Y
I have replaced intake manifold gasket and right now the car is losing antifreeze coolant from reservoir, and the vehicle is beginning to overheat. If anyone can, please help. Thank you, Robert
1998 GMC Jimmy Envoy 4.3L No Start VIN: 1GKDT13W3W
The problem with this vehicle is that after I replace the intake gaskets and changed the spark plug wire, spark plugs, cap and rotor the vehicle will not start. When I first cranked it over it was hard to crank and the starter was jump in and out. I took the d...
1998 Pontiac Sunfire SE 2.2L battery lamp VIN: 1G2JB5248W
Had to many electrical problems last week and this one is driving me nuts,some one help please!Car came in with bat. lamp on,D-tac tested alt.-passed.shut car off and restart lamp stays off for about 2 minutes then back on.scan test alt. output,lamp stays off ...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet Caprice Classic 5.7L No Start VIN: 1G1BL52P6S
Never did figure this one out. Several memebers suggested ignition switch but we did have strong spark while cranking so eliminated that. Still suspect of the goofy readings we got off the scan tool-no MAF reading, timing advance not changing. Still don't thin...
1995 GMC Sonoma SLE 2.2L Misfire, runs on #1 only VIN: 1GTCS1940S
Thanks to all that replied ! As we all know the same symptom can have multiple causes and sometimes it takes elimination one at atime . This one already had a boatload of things done to it so there wasn't a lot left . Several of you indicated fuel injectors an...
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