DTC EFI-611

6-1-1 FUEL TANK SYSTEM, LARGE LEAK





Trouble Code Conditions
- The EVAP canister shut-off valve is closed, this means that the fuel tank system is closed. Canister purge (CP) valve is pulsed, pressure in the fuel tank should drop rapidly. Diagnostic trouble code (DTC) EFI-611 Fuel tank system, large leak is stored if the pressure in the fuel tank does not drop rapidly enough.

Substitute value(s)
- None.

Possible source(s)
- Leaking fuel tank, filler pipe, fuel tank filler cap, EVAP canister, EVAP canister shut-off valve or lines between these components.
- Blocked canister purge valve, EVAP canister, fuel tank pressure sensor or lines between these components.
- Sticking canister purge valve.
- Defective fuel tank pressure sensor.

Fault symptom(s)
- None.