engine misfires. will idle okay but then sputter. pop and backfires occasionely. replaced plugs, dist. cap, wires, fuel filter,and fuel pump. checked for vacuum leaks. any ideas?
92 2.5 have 35 psi gas pressure. regulator seems to be working. dash codes are
33 ac clutch relay
21 ox. sensor
17 engine running too cool.
thinking maybe weak ignition coil???