Code No. P0304: No. 4 Cylinder Misfire




DIAGNOSIS CONTENT




TROUBLE JUDGMENT


Check Condition
  • The engine is running without rapid acceleration/deceleration.
Judgment Criterion
  • No. 4 cylinder is misfiring more than specified numbers.

PROBABLE CAUSE



  • Failed compression pressure
  • Failed unit injection system
  • Failed cylinder head
  • Shortage of fuel