RDX L4-2.3L Turbo (2008)
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The VTEC system changes the one side of the intake side cam profile to correspond to the engine speed. It maximizes torque at low engine speed
and output at high engine speed.
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The low lift cam is used by one side of the intake valves at a low engine speed. At high engine speed, both intake valves uses the high lift cam.
System Diagram
Camshaft Position (CMP) Sensor A
CMP sensor A detects camshaft angle position for the VTC system.
