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P0304 FORD - Cylinder 4 Misfire Detected

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

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
What does this mean?
OBDII Code P0304 Ford - Cylinder 4 Misfire Detected -

P0304 FORD Information for specific Ford models

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Posted and Edit by 06-14-2015