Diagnostic conditions

Engine at idle.
Throttle valve angle between 10° and 60°.
No fault in mass air flow sensor.
No fault in throttle position sensor.
No fault in idle air control valve.
Speed <= 4 km/h
Time after engine start-up <= 240 seconds.
Time for fault detection <= 25 seconds.

Fig 1: DTC P1140 Fault Condition
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