vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

F2: TROUBLE CODES - Trouble Code 18 KNOCK CONTROL MODULE; REPLACE ECU > < F2: TROUBLE CODES - Trouble Code 13 O2 SENSOR OPEN CIRCUIT

Motronic M 1.5.4    F2: TROUBLE CODE TABLE

 

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when...

16

KNOCK SIGNAL

CIRCUIT

08

·   Engine speed greater than 2000 rpm

·   Control unit reference voltage for knock sensor lower than 10 mV. The value varies depending on the engine speed

·   Knock sensor voltage is evaluated and indicates an implausible value for 50 consecutive checks (at 100 ms intervals)

 

Replacement values:

·   If the engine load signal is greater than 4.1 ms and the coolant temperature is higher than 30 °C / 86 °F the control unit retards the firing angle by up to 10.5 °CA for safety reasons.

 

 

 

 


Related Literature Units
-F0: DATA LIST - Test Step 08 KNOCK SIGNAL

F2: TROUBLE CODES - Trouble Code 18 KNOCK CONTROL MODULE; REPLACE ECU > < F2: TROUBLE CODES - Trouble Code 13 O2 SENSOR OPEN CIRCUIT