Diagnostic trouble code (DTC) information
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
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.