EMISSION CONTROL SYSTEMS -
PURGE CONTROL SYSTEM INSPECTION <Turbo>
Evaporative Emission Control System
Evaporative
emission canister
I
(1) Disconnect the purge air hose from the air intake hose, and
plug the air intake hose. Then, connect the hand vacuum
pump to the purge air hose.
(2) Under the engine conditions shown below, check by
applying vacuum from a hand vacuum pump.
When engine is cold-coolant temperature:
Engine operating
condition
Intake air temperature sensor
Engine coolant temperature sensor
Engine control module
Applying vacuum
Result