Subaru B9 Trifecta SUV Forum banner

cylinder 4

  1. P0304 misfire HELP! ?

    Hello there, I have the ol' p0304 misfire plaguing me. 2006 B9 Tribeca 3.0 H-6 Here is what I've done so far with no results: Replaced all 6 spark plugs changed plug coils around to isolate misfire (to opposite side of engine, no change) changed locations of all six fuel injectors (no...