Hello I have, a dodge gran caravan 2012 and mark a code P0304 (misfire on cylinder 4)

Asked by May 19, 2017 at 11:36 PM about the 2012 Dodge Grand Caravan SXT

Question type: Maintenance & Repair

Hello I have, a dodge gran caravan 2012 and mark a code P0304 (misfire on cylinder 4)
And replace the spark plug, replace the coil, and the fuel injector, and the problem continues
The engine shakes a little at low acceleration

Please if someone can help me say that it might be damaged

1 Answer

79,095

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.

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