PO401 CODE REPLACED ALL SENSORS AND EGR VALVE? ...

1998 Ford 500

Tiny

Anonymous

February, 1, 2013 AT 7:54 PM

Po401 code replaced all sensors and egr valve? Check engine light come back on after 45 miles what else can it be?

FOUND 16896 RELATED QUESTIONS

1 Answer

Tiny

caradiodoc

February, 1, 2013 AT 9:22 PM

P0401 Exhaust Gas Recirculation Flow Insufficient Detected

Fault codes never say to replace parts. They only indicate the circuit or system that needs further diagnosis. Probably the most common cause of low flow is a passage plugged with carbon.

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