Operation CHARM: Car repair manuals for everyone.
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)

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Manifold Pressure/Vacuum Sensor: Locations

Engine Management Components:





AIR BOOST VALVE
The Air Boost Valve is mounted on the front side of the intake manifold, just to the right of the dashpot.

FAST IDLE VALVE
The Fast Idle Valve is located under the throttle body assembly at the intake manifold inlet.