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Home >> Sterling >> 1987 >> 825 SL, 2.5 A >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Control System >> Description & Operation >> Engine Controls >> Fast Idle Control Solenoid Valve
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Fast Idle Control Solenoid Valve

To prevent erratic running during engine warm-up, a higher idle speed is needed. When engine temperature is cold, this valve opens to by-pass additional air into intake manifold. This operation is dependent upon coolant temperature and atmospheric pressure.

Fig 1: ECU Connector Identification & Location
G61222