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p0304

  1. P0300, P0304 faults

    Alfa MiTo
    Hi All, Sorry my first post has to be a problem. I have had my Cloverleaf about 5 months now and been enjoying it up til now. Last night I was driving home and all of a sudden power dropped, management light flashed then went off. On getting home I scanned with my Bluetooth scanner and got...
  2. P0304 misfire elimination

    Alfa 147, 156 & GT
    The 147 ts has been randomly misfiring on cylinder 4 (according to fault code) swapped coils on 3+4, still threw up fault on 4, changed all the plugs, runs better but still occasionally misfires and throws up P0304. Next step is getting injector ultrasonic cleaned, its it worth getting all 4...
  3. P0304 Cylinder 4 misfire

    Alfa 147, 156 & GT
    My 150 2.0 JTS has just reported this fault, plus P0300 random/multiple cylinder misfire, along with it obviously misfiring... First off I assume cylinder 4 is to the right as you look at the engine, at the battery/relay end? So, what could be the likely cause? I'll check the plug and lead...
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