P0420 and p0430 code on 2015 3.5l ecoboost Check engine code p0401 Ecoboost code p0430 5l p0420 f150 c139
P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
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Ford fix code p0420 catalyst system efficiency any ford .
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Check Engine Code P0401 - How to Diagnose and Fix It
P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
FORD FIX CODE P0420 CATALYST SYSTEM EFFICIENCY ANY FORD - YouTube