Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when

31

NO ENGINE RPM

SIGNAL

27, 28

·   Ignition ON

·   Engine speed lower than 23 rpm

·   Trouble code 19 not stored

·   Since ignition ON, there has not yet been a start with correct sychronization

Effects:

·   Current values are used for mixture and requirement adaptation, and neutral values are used for idle speed regulation and block learn method adaptation.

Note:

Trouble code 31 is always displayed when the ignition is switched on. If the system is intact, the fault is deleted as soon as an engine speed signal is received from the pulse pick - up on starting and does not remain stored.