Capless fuel tank filler pipe damaged,  preventing vacuum relief (if equipped)
? Contaminated fuel vapor elbow on the EVAP canister
Possible ? Restricted EVAP canister
Causes: ? Canister vent (CV) solenoid stuck partially or fully open
? Plugged CV solenoid filter
? EVAP canister purge valve stuck open
? VREF circuit open in the harness near the fuel tank pressure (FTP) sensor,  the FTP sensor or the powertrain control module (PCM)
? Damaged FTP sensor
also fule cap stuck closed blocking vacuum relief.
Monday, July 6th, 2020 AT 5:41 PM
(Merged)