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Home >> Toyota >> 2017 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (SFI System [2GR-FXE] - Diagnostic Codes - (Hybrid) (1 Of 3)) >> SFI System >> DTC P1420: Evaporative Emission Canister Small Leak; DTC P1421: Evaporative Emission Canister Gross Leak [02/2014 - 11/2016] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
P1420: EVAP SMALL LEAK

Canister pressure when vacuum introduction for canister was complete Between conditions 1 and 2
Condition 1 Higher than second reference pressure
Condition 2 Lower than [second reference pressure x 0.2]
P1421: EVAP GROSS LEAK

Canister pressure when vacuum introduction for canister was complete Higher than [second reference pressure x 0.2]
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