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Focus C-max 1.8 petrol misfire and smoke from exhaust

Krystian1985
Krystian1985
in Ford Focus Club

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Hi all, from few days i have really bad problem with my C-Max, first i tested car and error pop up P0304 which is misfire on cylinder nr 4 the i can tell that car is shaky, from low gear is just you can see it how bad it is, i have change ignition coil, but still the same problem, and now i have lots of smoke from exhaust and the smoke is white, whole exhaust is shakes up bad. any ideas guys?? please

  • Quote


    Possible causes

    • Faulty spark plug 4
    • Clogged or faulty fuel injector 4
    • Faulty ignition coil 4
    • Fuel injector 4 harness is open or shorted
    • Fuel injector 4 circuit poor electrical connection
    • Ignition coil 4 harness is open or shorted
    • Ignition coil 4 circuit poor electrical connection
    • Insufficient cylinder 4 compression
    • Incorrect fuel pressure
    • Intake air leak
  • Quote
    • Like 1

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