Knock Sensor Control
Possible cause of malfunction if knock control (ignition angle retardation, injection quantity limit) is activated.
| Possible cause | Corrective action | |
|---|---|---|
| Poor fuel quality | Change fuel quality (→ operating instructions) | |
| Knock sensor tightened to incorrect torque | Loosen knock sensors and tighten to 20 Nm | |
| Knock sensor faulty | Check knock sensor → Knock Sensors, Checking . | |
| Corrosion at harness connector | ||
| Engine components loose | Secure engine components | |
| Engine damage | Check compression pressure | |
| Engine components loose | Secure engine components | |