The vapor canister purge valve solenoid is an ECU-controlled part that manages the flow of fuel vapors in the system. It operates by collecting and storing vapors that aren't prepared to be burned.
Vapor canister purge solenoid functionThe vapor canister purge solenoid is a crucial part of the EVAP system and is often mentioned as the EVAP purge solenoid. Most modern vehicles come equipped with an EVAP system that lessens the emissions that comes out from the fuel tank. The evaporative emission control system catches the vapor in a canister and sends it back for use as fuel for the engine.
Common problems with a faulty vapor canister purge solenoidA faulty vapor canister purge solenoid can lead to a decrease in engine performance, trouble starting, and poor fuel economy.