DTC ECM-430D

Condition
EVAP canister shut-off valve is shut, canister purge (CP) valve is pulsed. When a predetermined negative pressure is reached in the fuel tank the canister purge (CP) valve is closed. Diagnostic trouble code (DTC) ECM-430D is stored if the negative pressure in the fuel tank falls too quickly during a certain amount of time.

Substitute value
none.

Possible source
- leaking fuel tank, filler pipe, fuel tank filler cap, EVAP canister, EVAP canister shut-off valve or lines between these components

Fault symptom[s]
- none.