Question about 2006 Nissan Pathfinder 4.0.V6

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I replaced all 6 ignition coils and Sparks plugs on my 06 nissan pathfinder. idle is rough and my check engine light is flashing after 2-3 minutes after running the engine. exhaust pipe smell fuel. what is my next step? please help.

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Was it doing this before you changed them? something is wrong with your firing, recheck firing order. could be a component you swapped in is faulty. if it was doing this before you changed them check crank sensor and lambda sensor

Posted on Jan 13, 2013

  • 2 more comments 
  • Jimmy Dotarot
    Jimmy Dotarot Jan 13, 2013

    yes it was rough idling before also what is lambda sensor? i will check the crank shaft sensor. do you happen to know the

  • Jimmy Dotarot
    Jimmy Dotarot Jan 13, 2013

    continuity reading using multi meter

  • Daniel Bakewell Jan 13, 2013

    lambda sensors are attached on the exhaust system and measure exhaust gasses they have a direct bearing on how the ecu will demand fuel.. crank sensor will have a direct bearing on timing. I'm afraid i have never used a multimeter to test them. Its one of those faults that could have many causes. check integrity of vacuum pipes, inlet hoses/ducts. clean out the throttle body.

  • Jimmy Dotarot
    Jimmy Dotarot Jan 14, 2013

    Thank you Daniel. you are a big help. i am about to replace the cam position sensor because they read bad according to manual i purchase online. thanks again. i'll let you know what happen.



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