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1994 mercury cougar XR7 with a 4.6 liter v8 it has a miss and their is white smoke and raw fuel exiting the exhaust ive changed plugs fuel pressure regulator throttle position sensor what could it be?
Jz679
Sounds like a severely cracked head to me. Did you overheat the engine???? Is your coolant level in the radiator going down?
I had the same problem with my 94 Cougar 4.6L. I had to replace the ECU. Hard to track down, good luck!!
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