Operation CHARM: Car repair manuals for everyone.

[67] Misfiring




[67] Misfiring

Check Smooth Engine Running.

Test requirements
- Fault code 'P0300' present

Possible cause and remedy
- Repeatedly read and assess fault ambient data of fault code P0300 at different engine load and speed ranges.
- Check actual value Smooth engine running.
- Carry out compression test with selection menu 'actuations'.
- Check actual value Selfadaptation of mixture formation.
- Test fuel pressure and delivery of component M3 (fuel pump).
- Test gasoline fuel for water and diesel portions.

Note: If, in addition to fault code P0300 other specific fault codes relating misfiring(e.g. P0201, P0301) are present, process these first of all.

** End of Test**