22060-7B000 Engine Knock Sensor With Electrical Connector Fit For Nissan Xterra Quest

22060-7B000 Engine Knock Sensor With Electrical Connector Fit For Nissan Xterra Quest   DescriptionKnock (Detonation) Sensor with Electrical Connector (Pigtail Wire Harness)Replaces Part#22060-7B000Cross-ReferenceSU4769KS107KS107TXF5Z12A699AXF5Z12A699AAGT7610-48/1 FitmentMercury Villager (2002-1999)Nissan Frontier (2004-1999)Nissan Pathfinder (2000-1999)Nissan Quest (2002-1999)Nissan Xterra (2004-2000Knock Sensor (KS) LocationThe Knock sensor is located on the engine block and in some applications under the intake manifold.The Knock sensor generates an AC voltage created from the frequency of poor combustion in the engines combustion chambers. A mechanical fault within the motor creating a rapping sound may create false signals from this sensor. Ignition timing and the air/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 power