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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

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Fuel Tank Pressure Sensor: Description and Operation

The Fuel Tank Pressure Sensor (FTPS) is an integral part of the monitoring system. The FTPS checks Purge Solenoid Valve operation and leak detection in the Evaporative Emissions System by monitoring pressure and vacuum levels in the fuel tank during and between Purge Solenoid Valve operating cycles.