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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Manifold Pressure/Vacuum Sensor: Specifications

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Key On Engine Off Idle (Closed Throttle) 1.0-2.0 Volts (V)
Wide Open Throttle 4.0-5.0 Volts (V)