Diagnosis Information DME
P1346Valve lift control after cold start bank X
Diagnostic conditions
- Cold start (engine oil temperature -12 °C ... +60 °C), then:
- Engine idle speed > 15 s
- Full-load acceleration (2nd gear)
- Warm running (engine oil temperature +60 °C ...+80 °C)
- Full-load acceleration (2nd gear)
- Engine idle speed > 15 s
- Time since engine start > 10 minutes
Possible fault causes
- The valves of the specified bank are stuck in small or large lift travel