1999 Mercury Villager Knock Sensor Location. If the car has an 02 visible from the motor compartment the other 02 is after the precat about 2 feet farther down. 1999 mercury villagerreplaced knock sensorses light comes onwhats wrong.
It checks for pre-ignition otherwise known as spark knock. A crankshaft adjusting tool may be used to check these rings. 1999 - 2002 crankshaft position sensor.
It only retards timing 6 degrees if it senses spark.
Place the tool on the pulley extension surface and rotate the tool around the pulley. Need to replace the knock sensor diagnostic test recommened where is it located Jack the car up and find it. The tip of the sensor protrudes into the crankcase at a distance of 005 plus or minus 002 inch from the crankshaft. Where are the knock sensor and O2 sensor located on a 1999 Mercury Villager.