have replaced plugs, plug wires, coil pack, and o2 sensor. have also disconnected battery to reset. no check engine light ever lit; 2 analyzers never gave any defective codes, 1 said "bad #2 o2 sensor, but replacement did not help. only misses when warm, misses worst from 43-53 mph, but misses when idling as well. have also checked fuel pump.
Apr 6, 2012 at 8:15 PM