Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor Cause of Fault

Remedy in F0:DATA LIST No.

Trouble Code Storage when...

34

MAP SENSOR VOLTAGE LOW

06

·   Engine speed higher than 1050 rpm

·   Following trouble code not stored: 21

·   Throttle valve opening greater than 18.8 %

·   Intake manifold absolute pressure lower than 14 kPa (140 mbar)

·   Above conditions must be fulfilled for at least 0.06 s.

or

·   Engine speed lower than 1050 rpm

·   Following trouble code not stored: 21

·   Intake manifold absolute pressure lower than 14 kPa (140 mbar)

·   Above conditions must be fulfilled for at least 0.06 s.

Replacement value:

·   Engine not running:       Intake manifold pressure equals 90 kPa

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

Effects:

·   The secondary air injection is switched off

·   The long- term correction of the mixture adaptation is switched off