vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

F2: TROUBLE CODES - Trouble Code 17 KNOCK SIGNAL CIRCUIT 2 > < F2: TROUBLE CODES - Trouble Code 13 O2 SENSOR 1 OPEN CIRCUIT

Motronic M 2.8.1    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 1

 

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 20 consecutive checks (at 100 ms intervals)

 

Replacement values:

·   If the engine load signal is greater than 2.6 ms (X 25 XE) or 1.8 ms (X 30 XE) and the coolant temperature is higher than 45 °C / 13 °F, the control unit retards the firing angle by up to 12 °CA for reasons of safety

     The value varies depending on the engine speed.

 

 

 


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

F2: TROUBLE CODES - Trouble Code 17 KNOCK SIGNAL CIRCUIT 2 > < F2: TROUBLE CODES - Trouble Code 13 O2 SENSOR 1 OPEN CIRCUIT