Question about 2003 Nissan Maxima

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I have a 97 Nissan Maxima, and around 2000 rpm the engine has a flat spot and then starts pulling again around 3000rpm. It does have at least one bad oxygen sensor that needs replacing. Could the O2 be the source of the problem? The issue was actually happening before the check engine light indicated that the O2 was bad.

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  • Nissan Master
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Check your Throttle Position Sensor. By what you are describing, this is an automatic trans. I would check the throtle position sensor. remove it and feel it, while you move it/open it and close it. it should feel nice and smooth throughout the sweap. It should not bind or get tight and loose again. If it does, replace it and adjust it to .5V.

Posted on Jul 27, 2008

  • Phil Lovisek
    Phil Lovisek Jul 27, 2008

    Check throttle position sensor

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