Diagnostic trouble code (DTC) information

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