Misfiring of cylinder 4 : Worsening of exhaust emission values (P0304)

Misfiring of cylinder 4 : Worsening of exhaust emission values (P0304)

Test 1: Combustion misfirings

Test 2: Possible cause:

- Combustion misfirings
Affected functions:

- Engine diagnosis

1. Combustion misfirings
Warning!Communication with ECU required.


2. No further information available.