Number 4 cylinder misfire
Could anyone tell me what could cause my engine
to miss under a load or at mid rpm range around
3000rpm or above followed with massive power
loss a few seconds into it ?
it throws a #4 cylinder misfire code p0304 .
I've give it complete tune up plugs,wires,distributor,
distributor cap,rotor button, changed maf sensor
,maintains 50psi fuel pressure while driving
,checked compression it seemed to be fine also at
Dirty injector, possible intake leak on that cylinder, valves not opening fully, engine control not firing number 4 intermittent, going to need some shop to at a minimum do a scope check and go from there.
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