Vauxhall Workshop Service and Repair Manuals

Trouble

Code

Information Sensor

Cause of Fault

Remedy in

F0:DATA LIST

No.

Trouble Code Storage when ...

Remarks

73

MASS AIR FLOW

SENSOR VOLTAGE

LOW

07

·    Engine is not in the start phase

·    Engine speed higher than 520 rpm

·    Mass air flow meter signal less than 3.0 kg/h

     (short circuit to ground)

Replacement value:

The control unit replacement value for the load value is dependent on the engine speed and throttle valve angle.

If the throttle valve potentiometer is also defective, the following replacement values are used for calculation:

For engine speed less than 1520 rpm with load signal

C 20 XE: 2.5 ms

For engine speed greater than 1520 rpm with load signal

C 20 XE: 4.8 ms

For engine speed less than 2000 rpm with load signal

C 25 XE: 3.0 ms

For engine speed greater than 2000 rpm with load signal

C 25 XE: 4.5 ms