Dear Valued CustomerThanks for your businessIf you Satisfied with your orderWe wouldaprreciatedif you left us a Reviewyour response is very important to PriceSold Are BuyingBrand: ISUMOAftermarket Premium High QualityKnock (Detonation) SensorWith Electrical Connector(Pigtail Wire Harness) + Electric Connector Gender: FemaleMounting Type: Bolt MountTerminal Gender: MaleTermnal Quantity : 2================ Fits:Mercury Villager (2002-1999)Nissan Frontier (2004-1999)Nissan Pathfinder (2000-1999)Nissan Quest (2002-1999)Nissan Xterra (2004-2000)=======================Knock Sensor (KS)Location:The Knock sensor is located on the engine block and in some applications underthe intake manifold.The Knock sensor generates an AC voltage created from the frequency ofpoor combustion in the engines combustion chambers. A mechanical fault within the motorcreating a rapping sound may create false signals from this sensor. Ignition timing and theair/fuel ratio are adjusted to compensate for this condition.Failure Symptoms: Malfunction Indicator Light illumination, failed emission test,pre-detonation or “ping”, increased emission levels, low engine Page Views With
Auctiva\'s FREE CounterMade In USA United States Mexico Germany Japan Nippon Denso Korea Taiwan WARRANTY POLICY: We cover return within 30 days from date of purchase. After that buyer responsible to return and pay for replacement shipping cost and to show proof of purchase date. We don\'t do refund, we exchange. Please contact us to check shipping cost for each item under warranty. The warranty only covers failures due to defects in material and manufacturing and doesn?t cover normal wear and tear or cosmetic damage. Item Should be return with original packaging and in Good Condition by Taking Photo with the date of return
