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tim 6/21/2010
2000 Lincoln LS Base 6 Cyl 3.0L - Engine
how can i know if my egr valve is bad or if its the position sensor?
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  • Bobby
    Bobby 6/21/2010
    Nee more info what is the problem with the car and why do you think its the egr?
    tim 6/21/2010
    engine light came i took it to autozone to diagnose and the code that came back is po401 meaning too little flow on the egr system.. list 5 possible causes failed EGR valve 2blocked passage on EGR system 3.EGR solenoid faulty.4 failed EGR pressure sensor.,5 failed EGR position sensor..

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