Is A Knock Sensor Hard To Replace In A Nissan Maxima 1997,will It Pass Emmission If Knock Sensor Is Bad

There are 2 Answers

1. logan_sell says:

   placement varies greatly and is dependent on engine size, the sensor detects knocking and advances/retards engine timing to accommodate for this happening, which will domino into adjusting air fuel and the like, which in turn could very likely cause it to fail em. test
2. raven14058 says:

   The vehicle will not pass inspection with the check engine light on.