have replaced plugs and wires, dpfe, coil pack, injector.. each time mis had gotten better, now runs just as rough as before also running very rich.. running average 10mpg. constant flash of check engine light... would it be worth grinding valve seats? compression check has not been run...
bad misfire on 1 cylinder.. 2000 3.0 L flex fuel on 2000 Ford Taurus
by lnitemare in Chelsea, MI on October 21, 2012
ANSWER by pushrod on October 21, 2012
WHAT DOES YOUR MECHANIC SAY? YOU LEFT NO INFO. AS TO WEATHER YOU ARE A MECH. SCAN TEST IS WHAT I WOULD DO NEXT TO FIND MISFIRE(S). THEN GO FROM THERE WITH CHECK'S FOR IGNITION FIRE, FUEL & INJECTOR PULSE, COMPRESSION AND VACUUM LEAKS.