Vauxhall Workshop Service and Repair Manuals

Trouble Code

Information Sensor

Cause of Fault

Remedy in

F0: DATA LIST

No.

Trouble Code Storage when...

57

IDLE AIR CONTROL

VOLTAGE LOW

23, 24, 25

·   Engine not in operating condition: start

·   Short circuit to ground in circuit to control unit terminal 52

·   Conditions must be fulfilled for at least 0.3 s

·   No fault recognition at a pulse ratio greater than 95.7 %

Effects:

·   Oxygen sensor regulation and tank vent valve regulation are blocked

·   All adaptation except throttle valve adaptation is blocked

·   Deceleration fuel cutoff inhibition

·   The controlled canister purge valve is actuated at a minimum value

·   At throttle valve values lower than 12.2', 2 cylinders are switched off for safety reasons.