Question about 2004 Nissan Sentra

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Engine surges and misfires, cannot accelrate rpm anymore than 2200 rpm, engine boggs down and when cold engine does not rev up to warm itsself up.

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  • Anonymous Aug 27, 2008


  • kurlyq223 Nov 12, 2008

    I have a 2001 Sentra and it does the same thing. I replaced the spark plugs and it improved the issue but the check engine light still flashes.



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This could be an issue with a Mass Airflow Sensor or the idle valve. The mass air flow sensor tells the on board computer the amount of air coming into the engine and the idle valve controls air intake while the car is idle and the throttle isn't open. If both of these parts are broken the on board computer may not realize enough air is entering the engine for a proper air/fuel mixture. If the on board computer isn't sensing correctly then it will cut power to the engine to prevent damage.

Posted on Nov 26, 2011



Posted on Jul 17, 2008


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SOURCE: engine surges and misfires

Change fuel filter.

Posted on Jun 09, 2009

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