Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when...

23

KNOCK SIGNAL

OUT OF RANGE

10

· Coolant temperature greater than 30 °C / 86 °F

· Engine speed greater than 1984 rpm

· Knock sensor signal (average noise value) greater than 4.6 V

· Air mass greater than 0.19 g / stroke

· Conditions must be fulfilled for at least 1 s

Replacement values:

· The control unit retards the firing angle by 12 °CA for reasons of safety

Effects:

· The knock control is switched off