P0331
P0331Diagnosis information - DME (DFI)
Knock sensor, bank 2
NOTE:
- The fault is detected if the signal of the knock sensor does NOT change.
- If the fault is stored, the ignition timing is retarded for all cylinders in the [knock-control active] range.
- Knock control adaptation is idle.
Diagnostic conditions
- Engine temperature more than 50 °C (122 °F)
- Time after engine starts more than 10 seconds
- Engine speed more than 1,000 rpm
- Medium to high load (knock control active)
Possible fault causes
- Open circuit in line, crimping fault, or loose contact of the sensor and/or ground line
- Short circuit to ground
- Corrosion or loose contact of plug connection
- Knock sensor loose
- Knock sensor faulty