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 Ter. 52

·     Above conditions must be fulfilled for at least 0.3 s

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

Effects:

·     The oxygen sensor regulation and tank vent valve regulation are blocked

·     All adaptation except throttle valve adaptation is blocked

·     Deceleration fuel cutoff prohibition

·     The tank vent valve is actuated to a minimum value

·     At throttle valve values less than 12.2°, 2 cylinders are switched off for safety reasons