Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction Replace the EGR Valve
Exhaust Gas Recirculation Flow Insufficient......
Go to NAPA or AutoZone, they will tell you.
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
where'sthe egr flow on a 2000 ford expedetion {code; P0401
Trouble code P0351 means:Ignition coil A primary/secondary circuit malfunction
P0401 means no flow at the dpfe sensor. Usually a bad sensor. or bad hoses from egr ports to dpfe.