Camry Wagon V6-180.5 2959cc 3.0L DOHC (3VZ-FE) (1993)
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Thermal Vacuum Valve - EVAP: Description and Operation
PURPOSE
The Thermal vacuum valve (TVV) controls canister purge operation based on coolant temperature.
OPERATION
Below 104°F (40°C) the TVV is closed forcing fuel vapors to be absorbed into the canister. Above 129°F (54°C) the TVV is opened allowing
vacuum to flow through the TVV and purges the charcoal canister.
