Vauxhall Workshop Service and Repair Manuals

Trouble

Code

Information Sensor

Cause of Fault

Remedy in

F0:DATA LIST

No.

Trouble Code Storage when ...

Remarks

44

LEAN EXHAUST

09, 10, 11

12, 13, 14

·   Engine running for at least 40 s

·   Coolant temperature higher than 85 °C/185 °F

·   Following trouble codes not stored: 21, 22, 33, 34

·   Loop closed

·   Throttle valve aperture greater than 6 %

·   Integrator greater than 200 steps

·   The fault is recognized by the control unit if the oxygen sensor voltage is less than 280 mV for longer than 11 s.

If trouble code 44 was recognized, the control unit takes 450 mV as replacement voltage

(oxygen sensor control switched off).

Note:

If the oxygen sensor is wrapped in aluminium foil, remove the foil. Then delete trouble code. If trouble code 44 is set again, start trouble-shooting.