EVAP and HTR Monitors read Inc

The only suggestions we can offer is seek professional assistance as the first step in a successful diagnosis is a full and complete scan test .. Followed by the necessary *hands-on* testing to prove the exact failure within the EVAP system and O2 sensor heater circuit. One DIYer check is the fuse for O2 heater - in under hood fuse box .. However the EVAP failure remains.