Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Variable Induction Control Valve: Description and Operation
Fig. 13 Manifold Tuning Valve:
MANIFOLD TUNE VALVEThe valve opens a crossover passage in that connects both sides of the intake manifold plenum (Fig. 13). It is an electric motor.
The
PCM controls the
MTV solenoid. The
manifold tuning valve optimizes acoustical tuning of the intake system during wide open throttle operation throughout the RPM range.