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Home >> Infiniti >> 1993 >> J30 V6-181 3.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Basic Description Of Engine Control Systems >> Valve Timing Control System
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Valve Timing Control System


PURPOSE
The valve timing control system is used to improve engine performance by dynamically changing intake cam timing.


Valve Timing Control Solenoid Valve Operation:








ACTUATOR OPERATION
The position (amount of advancement) of the intake cams are changed by internal oil pressure acting upon a piston/servo in the timing belt pulley.


Valve Timing Control:





SYSTEM OPERATION