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2003 Mazda MPV Question: cel on

 

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dan.quartz, Uniontown, OH, May 26, 2009, 10:53
 Rookie

runs rough at idle and has bank 1 and bank2 lean codes would this fall under pcv bad ??????????

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  • Answer #1

    TRANSARTNC.COM May 26, 2009, 20:24
     Technician

    You just have to open the hood (engine running) and listen for vacuum leaks such as suction noise, usually when you have both banks lean it has to be a vacuum leak after mass airflow sensor.

    http://www.TRANSARTNC.com

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