Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when...

122

O2 SENSOR 2

RICH EXHAUST

46, 48, 52, 54, 56

·   Oxygen sensor integrator (internal control unit value for evaluation of oxygen sensor control) has fallen below lower limit of 0.8

     (mixture constantly too rich)

Thereafter for at least 15 s:

·   Coolant temperature less than 10 °C / 50 °F

·   Intake air temperature lower than 30 °C / 86 °F

·   Trouble codes 73 and 74 not recognized

·   Engine load signal greater than 0.8 ms (X 25 XE) or 0.9 ms (X 30 XE)