Variable Cam Timing Solenoid Valve

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Variable Cam Timing (VCT) solenoid valve is an integral part of VCT system. See Fig 1. VCT solenoid valve controls flow of engine oil to VCT unit assembly. As PCM duty cycles the solenoid valve, oil is allowed to flow to VCT unit assembly and advance or retard cam timing.

Fig 1: Identifying Variable Cam Timing Solenoid Valve

Courtesy of FORD MOTOR CO.