A Check the EVAP pressure increase in step

DTCs*

Test Results

Suspected Trouble Areas

Proceed To

-

EVAP pressure increases by 0.3 kPa-g (2.25 mmHg-g) or more within 10 seconds of proceeding from step 2/5 to step 3/5

Not yet determined

A

P2420

No variation in EVAP pressure despite proceeding from step 2/5 to step 3/5

Vent valve stuck open (vent)

B

P0451

No variation in EVAP pressure during steps 1/ 5 through 3/5

Canister pressure sensor malfunction fixed

C

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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