P0446

2011-2014 F150 – MIL On With DTC P0446 2011-2014 F-150 vehicles can exhibit a MIL on with DTC P0446.   Before performing normal diagnostics, inspect the harness to the EVAP Canister Vent for evidence of damaged or open circuits approximately 4-10” from the back of connector C450.   Repair as necessary, refer to wiring diagram. … Read more