Where is the Honda VTEC Solenoid Valve Located?

1 Answers
DeBarrett
07/29/25 6:45pm
Honda VTEC solenoid valve is located on the side of the cylinder head. Below is relevant information about VTEC: 1. Components: The VTEC control system consists of the control unit, execution unit, and sensors. The control unit includes the engine control unit (ECU) and VTEC solenoid valve; the execution unit includes cams, rocker arms, and pistons; sensors include engine speed sensor, vehicle speed sensor, and coolant temperature sensor. 2. Working Principle: At high engine speeds, the VTEC solenoid valve controls the direction of hydraulic oil flow, connecting the two intake rocker arms as one unit, which are then driven by the intake cam with the longest opening time and maximum lift. At this point, the two intake valves operate synchronously according to the profile of the larger cam.
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