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Knock Sensor

Discussion in '3rd Gen 4Runners (1996-2002)' started by Benny9898, May 31, 2019.

  1. May 31, 2019 at 11:35 AM

    Benny9898 [OP] New Member

    Aug 9, 2018
    02 4Runner
    Just replaced a bad exhaust valve on my 3.4 rebuild went great runs good. When I was putting back together I noticed by knock sensor wiring harness was very fail and the connections were brittle but I was in a hurry and didn’t replace it. Now I have a knock sensor codep330, i am assuming since I never removed the sensors they are still good , and all I need is to replace harness. Harness is cheap. Just wondering if anybody had just replaced harness or should I replace both sensors too?

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