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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Electronic Engine Controls - INGENIUM I4 2.0L Petrol -- XE/(760)) >> Electronic Engine Controls - INGENIUM I4 2.0L Petrol (G2006487) >> Description And Operation >> Electronic Engine Controls >> Description >> Variable Camshaft Timing Solenoid

Variable Camshaft Timing Solenoid

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G11308548Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Each Variable Camshaft Timing (VCT) solenoid is located on the timing chain cover and secured with 2 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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