Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




The EVAP canister shut-off valve is closed, the canister purge (CP) valve is pulsed. When a specific vacuum has been achieved the canister purge (CP) valve is closed. The vacuum in the fuel tank is allowed to stabilize. If it drops too much in a set period diagnostic trouble code (DTC) EFI-612 (Fuel tank system, small leak) is stored.

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.
- Defective fuel tank pressure sensor

Fault symptom[s]
- None.