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

08

09

10

11

·   Engine running

·   Coolant temperature higher than 20 °C/68 °F

·   Following trouble codes not stored: 33, 34

·   Only for control units up to Model Year 91: C 14 NZ

     The fault is recognized by the control unit if the oxygen sensor is voltage less than 280 mV for longer than 45 s

·   Only for control units as of Model Year 92: C 12 NZ,

     C 14 NZ

     The fault is recognized by the control unit if the oxygen sensor voltage is less than 280 mV for longer than 90 s.

If trouble code 13 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.