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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Boost Solenoid: Description and Operation

Charge Air Absolute Pressure Sensor

The pressure sensor is combined with a temperature sensor and measures the current absolute pressure and temperature in the charge air pipe.

More information on the Charge Air Absolute Pressure Sensor can be found under: Turbo Boost Sensor.

Boost Pressure Control Valve (179a)

More information on Boost Pressure Control Valve (179a) can be found under: Wastegate Solenoid.