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Fault handling

Fault handling

Terms

Driving cycle

Starting the engine.

Warming-up cycle

Starting the engine and then an increase in engine temperature of at least 22 °C (40 °F) to at least 71 °C (160 °F).

Fault handling, throttle control

If a safety-related fault occurs in the throttle control, the throttle body will go into limp-home mode and the CHECK ENGINE lamp will go on immediately. The limp-home solenoid is then activated each time the ignition is turned on. The fault will not rectify itself and the car must be repaired at a workshop.

When the fault has been rectified, first clear the diagnostic trouble code and then reset the limp-home mechanism.