what is a "failed swirl control valve position sensor"


Asked by Jan 28, 2016 at 05:36 PM about the 2005 Nissan Sentra 1.8 S

Question type: Maintenance & Repair

5 Answers


Maybe this will help --- http://www.obd- codes.com/forums/viewtopic.php?t=6648

Best Answer

The swirl control valve controls the velocity of air entering the intake depending on the needs of the engine, whether it is at idle or highway speeds etc. its job is to essentially maintain the best fuel economy for the situation. if the position sensor is malfunctioning then the ecm is unable to control the valve properly and you will get a code.

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Is there anyway to forward this to my daughter it is her car that I asked about


P1138 or P0128 that is the two numbers that she had


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