Egr valve p0400 p0401 clogged code exhaust gas flow recirculation obd malfunction engine symptoms insufficient pickup throttle Code p0171 po171 when obd car ii fixing fix hesitation does diagnostic bank lean system fuel too Fixing a hesitating car p0171 code
1999 mercury sable twin cam engine code po401 is their anything else?
Code po401
Sable code
Is this the cause of my p0442 code?Q&a: mercury sable engine code p0401 Engine check light egr flow enough getting code not fordMy check engine light is on and after having it checked the problem was.
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