Engine Performance problem
2001 Mercury Sable 6 cyl Two Wheel Drive Automatic 91,000 miles
P0304 Cylinder 4 misfire, check engine light on flashes on and off, done wires, plugs, coil, crank and cam sensors, did compression test low 100's in cylinder 4, all others are good, clean carbons, runs better compression came back up, check engine light on again, on and off. Fuel pressure in range 55psi. Checked for vacuum leaks none found. New intake plen. Gasket. I have no clue of what else. Any help would be greatly appreciated.
have the same problem?
Thursday, August 26th, 2010 AT 11:26 AM