Vauxhall Workshop Service and Repair Manuals

Trouble

Code

Information Sensor

Cause of Fault

Remedy in

F0:DATA LIST

No.

Trouble Code Storage when ...

Remarks

34

MAP SENSOR

VOLTAGE LOW

05

·   Engine speed higher than 1050 rpm

     Throttle valve aperture greater than 19 %

     Intake manifold absolute pressure less than 140 hPa

     The above conditions must be fulfilled for at least 0.1 s

·   Engine speed lower than 1050 rpm

     Following trouble codes not stored: 21

     Intake manifold absolute pressure less than 140 hPa

     The above conditions must be fulfilled for at least 0.1 s

If trouble code 34 was recognized, the system calculates with the following replacement function:

Engine not running:

Intake manifold pressure equals 900 hPa

Engine running:

The control unit calculates the intake manifold pressure depending on the engine speed and throttle valve position