Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when

91

02 SENSOR 2 CIRCUIT

VOLTAGE HIGH

46, 48, 52, 54, 56

·   Oxygen sensor voltage greater than 1100 mV for longer than 2.5 s (short circuit to battery voltage)

The trouble code is stored if (conditions must be fulfilled consecutively):

l. )          Coolant temperature higher than 70° C / 158° F

2. )         Condition l. ) fulfilled for 3 min

3. )         Load signal greater than 1.7 ms

4. )         After conditions l. ) to 3. ) are fulfilled, waiting period of 5 s elapsed

5. )         Trouble code 73 or 74 not recognized

Replacement value:

The control unit takes a replacement value of 450 mV.

The oxygen sensor control is switched off.