MIL On With DTC P0446 – 2011-2014 Ford F150

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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.

 

If no wiring concern or circuit damage is evident, proceed to normal diagnostics.

 

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