E39 / P0326 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Check Engine Performance loss.

P0326 00

Fault symptom

Check Engine

Performance loss.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running more than 10 seconds.

Fault criteria:

Excessive Engine Knock Detected

System reaction to a fault:

The ignition is lowered to minimise the risk of engine damage.

Diagnostic help

Diagnosis regards:

The diagnostic trouble code is generated with an incorrectly mounted knock sensor.

Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Test value:

Knock Sensor 1 Circuit Failure

Knock Retard Cyl 1

Knock Retard Cyl 2

(See also description of readings/activations in diagnostic tool)