P209F

The exhaust valve of cylinder 11 is not operated although the CSO is switched off.

Test 1: Check rocker arm coupling of exhaust valve at cylinder 11.

1. Check rocker arm coupling of exhaust valve at cylinder 11.
The rocker arm coupling at the exhaust valve of cylinder 11 does not lock although the CSO is switched off.Possible cause and remedy

- Display the menu 'Actual values' and determine the faulty rocker arm by testing smooth engine running.
- Replace faulty rocker arm.
End of test