Quote:
Originally posted by 91Z24AUDIO
Im a certified ASE and GM technician and i would try a pcm.If you have a scan tool look for any codes that relate to the ignition control module.Also go try this go to your local GM dealer and get 2 cans of "top engine cleaner",its a cleaner than goes in the cylinders.Remove the plugs and put about 6oz in each cylinder and let it sit over night with the plugs out of it,next mornng spin it over and let it pump out all of the cleaner.Make sure to shut the hood when you do this,cleaner will make the paint really dull if it gets on it.After it has pumped out all the cleaner put the plugs back in it and go down the road and accelerate hard,it should smoke for a little while.What this cleaner does is remove all the carbon from the cylinders.Make sure to clean all under hood areas that the cleaner gets on.
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Top engine cleaner gm pn#1050002 (use with caution!)
Try the top engine cleaner but your problem sounds like it may be in the primary ignition area, coil, module, crank sens, cam sens.
Also had tons of problems with intake leaks on those cars.