Sounds like you have a carbon build up somewhere or you are getting too much fuel in the engine. When does the CEL come on? or does it just stay on?

'95 Contour GL, zetec mtx, drop in K&N, exhaust res removed, 4 10" Kenwoods powered by 1000W Visonik amp, 4 5"x7"/6"x8" Visoniks

"Buy American or apply for Japanese welfare."

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