Range Rover (LM) V8-4398cc 4.4L (M62) (2003)
Idle Speed: Description and Operation
Description
The ECM controls the engine idle speed based on various engine/vehicle operating conditions.
There is one Idle Speed Control Actuator functional check, a fault is detected if:-
1. The enabling conditions are satisfied and the actual engine speed differs from the desired engine speed by more than 100 RPM.