P0401 2012 FORD FUSION – Exhaust Gas Recirculation Flow Insufficient Detected

 

P0401: DIY Repairing Video Tutorial

https://youtu.be/T8PRuzzGR-k

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0401 2012 FORD FUSION Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Possible engine hesitation  

P0401 2012 FORD FUSION Possible Causes

  EGR passage clogged,Faulty EGR Vacuum Modulator Valve,Faulty EGR Valve,Faulty EGR solenoid valve,EGR solenoid valve harness is open or shorted,EGR solenoid valve circuit poor electrical connection,Dead (Weak) battery,Faulty EGR temperature sensor and circuit,Exhaust gas leaks  

P0401 2012 FORD FUSION Description

  The EGR system is monitored during steady state driving conditions while the EGR is commanded on. The test fails when the signal from the differential pressure feedback EGR sensor indicates that EGR flow is less than the desired minimum.