ENGINE RUNNING ROUGH

1993 Chevrolet Corsica

Tiny

nellie14

December, 13, 2012 AT 8:56 PM

Engine running rough. Sluggish acceleration, low power, high fuel consumption. So far TPS, O2, and plugs have been replaced
. Throttle body has been cleaned, fuel filter replaced, IAC bore and pintle cleaned. Fuel smell present after driving, no visable leaks. Plugs that were pulled out appeared to have black residue. Possible ignition coil or Ignition Control Module? Visually inspected plug wires- looked OK. Only code stored was a 16- O2 sensor. Replaced O2 sensor with no noticeable effect. Any suggestions?

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