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april8 ... 4/9/2010
1999 Nissan Maxima GXE 6 Cyl 3.0L - Engine
My check engine light came on and its saying i have a problem with my egr valve and knock sensor, what should i do?
1 Answer
  • HouseCallAuto
    HouseCallAuto 4/10/2010
    The knock sensor is known for failing. The sensor is in a difficult spot but can be replaced without removing the manifold with patience and the right short wrench. The EGR transfer tube is also known to clog and that is likely to be the cause. The EGR valve is likely good. Let me guess, P0325 and P0400?
    Carl 11/25/2012
    where is the egr transfer tube

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