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
P0420 catalyst Egr p0401 recirculation insufficient exhaust detected carparts P0401 code: exhaust gas recirculation (egr) flow insufficient detected
P0401 egr obd p0442
Ford fix code p0420 catalyst system efficiency any ford .
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![Check Engine Code P0401 - How to Diagnose and Fix It](https://i2.wp.com/www.myautorepairadvice.com/images/egr_valve.jpg)
Check Engine Code P0401 - How to Diagnose and Fix It
![P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected](https://i2.wp.com/www.carparts.com/blog/wp-content/uploads/2020/04/egr-valve.jpeg)
P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
![FORD FIX CODE P0420 CATALYST SYSTEM EFFICIENCY ANY FORD - YouTube](https://i.ytimg.com/vi/dSKsHy8B67Y/maxresdefault.jpg)
FORD FIX CODE P0420 CATALYST SYSTEM EFFICIENCY ANY FORD - YouTube