dylan1630 Posted October 15, 2009 Report Share Posted October 15, 2009 My 93 Grand Prix has a miss to it when i hit the gas, but it's not always there. It usually appears after i have been driving it for... well anywhere from 2 to 10 minutes. We hooked the scanner up to it and the code was for the EGR valve so we replaced it, and the miss is still there. I thought it might be a coil pack, but all of them seem to be good. What could it be? What else sould I check? Help me out! Quote Link to comment Share on other sites More sharing options...
Crazy K Posted October 15, 2009 Report Share Posted October 15, 2009 have you ohm checked your fuel injectors? Quote Link to comment Share on other sites More sharing options...
dylan1630 Posted October 15, 2009 Author Report Share Posted October 15, 2009 No I haven't, I'm not sure how to. I was thinking it might just be the gas, it's not old but it just might be bad gas. But how do I check the fuel injectors? Quote Link to comment Share on other sites More sharing options...
Crazy K Posted October 15, 2009 Report Share Posted October 15, 2009 multimeter. you can buy one at wally world, or wherever. you must pull the plenum to access all six, but you can do at least two without puling the plenum. normal readings at in the 12 ohm range. less than that and they should be replaced... but report what you get when you check em. Quote Link to comment Share on other sites More sharing options...
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