Po401 Engine Code

Egr valve p0400 p0401 clogged code exhaust gas flow recirculation obd malfunction engine symptoms insufficient pickup throttle Is this the cause of my p0442 code? 1999 mercury sable twin cam engine code po401 is their anything else?

1999 mercury sable twin cam engine code po401 is their anything else?

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My check engine light is on and after having it checked the problem was

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P0400 exhaust gas recirculation flow malfunctionEngine check light egr flow enough getting code not ford Error code po401Engine code sohc 0l vin shown location.