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Home >> Land Rover >> 2017 >> Discovery Sport SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Electronic Engine Controls - INGENIUM I4 2.0L Petrol -- Discovery Sport/L550) >> Electronic Engine Controls - INGENIUM I4 2.0L Petrol >> Description And Operation >> Description >> Variable Camshaft Timing Solenoid

Variable Camshaft Timing Solenoid

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.
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Each Variable Camshaft Timing (VCT) solenoid is located on the chain cover and secured with two screws. The VCT allows for the standard camshaft lobe profile to be advanced or retarded for optimum combustion.

The VCT solenoids are controlled by a Pulse Width Modulation (PWM) output from the Powertrain Control Module (PCM). The PCM uses signals from the Camshaft Position (CMP) sensors and determines the position of the VCT actuators. The VCT actuators have a direct interface with the intake and the exhaust camshaft.

Each VCT solenoid incorporates a spindle that acts on the spool valve in the VCT actuator to advance and retard the exhaust camshaft timing.

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