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F2:Trouble Code Table Trouble Code 16 Knock Signal Circuit 1 Opel Calibra I

Motronic M 2.8 F2:TROUBLE CODE TABLE

Trouble

Code

Information Sensor

Cause of FaultRemedy in

F0:DATA LIST

No.
Trouble Code Storage when ...
Remarks
16KNOCK SIGNAL
CIRCUIT 108· Engine speed higher than 1400 rpm

· Control unit reference voltage for knock sensor lower than 20 mV

(value varies depending on engine speed)

· Knock sensor voltage is evaluated and produces an

implausible value.

Replacement value:

If the engine load signal is greater than 2.0 ms and the coolant temperature is higher than 45 °C/113 °F, the control unit retards the firing angle by up to 13.5 °CA for safety reasons.

(value varies depending on engine speed)