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

Intake Manifold Pressure Sensor
Signal approx 4.4 Volts at 100 kPa
Signal approx 3.2 Volts at 80 kPa
Signal approx 2.1 Volts at 60 kPa
Signal approx 1.1 Volts at 40 kPa
Signal approx 0.5 Volts at 20 kPa