kbutler1995
New member
- Mar 17, 2009
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car has no codes on ecm complete tune up has been done timing belt timing ok distributer timing ok fuel filter replaced fuel pressure regulator coil replaced replaced coolant sensor replaced tried a known good ecm.the car starts fine but starts missing as it returns to an idle. and will billow black smoke from the tailpipe as the car warms up miss goes away then after a couple minutes the car starts missing again with black smoke from tailpipe checked spark plugs covered with black soot replaced plugs same problem when car is missing if accelerator is pressed rpms will not increase after the car warms up miss keeps car from running but the car will restart miss badly and stall again. had the car to 2 repair shops they dont have any idea what is wrong with this car does anybody have any idea's or suggestions what to try next