Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when...

44

O2 SENSOR LEAN EXHAUST

35, 36, 39, 40, 41

X 20 SE engine only:

·   Coolant temperature less than 125 °C / 257 °F

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

·   Trouble codes 73 and 74 not recognized

·   Engine load signal greater than 1.3 ms

·   Oxygen sensor integrator (internal control unit value for evaluation of oxygen sensor control) has exceeded upper limit of 1.2 (mixture constantly too lean)

·   Conditions must be fulfilled for at least 10 s