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error 5 knock sensor

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  • error 5 knock sensor

    so i get error 5 knock sensor
    any guides on replacing? all seem dead
    is it possible doing without removing manifold?

  • #2
    also what about eliminating the sensor all together?

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    • #3
      I just did mine when i did a head gasket. I had a code for knock sensor for like 10 years, I also had issues with it idling for 10 years. I always thought it was a combination of the aluminum flywheel, bigger throttle body, and Colt cams causing the idle issues, but after the new knock sensor, it doesn't die at idle anymore. problem solved. You have to remove the intake and the coolant bypass tube to get it out, I had the special socket which made it really easy. I used a Mazda OEM sensor from ebay.
      -Jay
      ASE Master Certified
      ASE L1 Advanced Engine Performance Specialist
      THE RACECAR daily - '95 PGT mtx stock
      HOW TO TEST YOUR VRIS

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      • #4
        there is a small plastic cap on top that needs to be binned right?

        possible to reuse old manifold gaskets?
        Last edited by how-high; May 23, 2023, 05:42 PM.

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        • #5
          Originally posted by how-high View Post
          there is a small plastic cap on top that needs to be binned right?

          possible to reuse old manifold gaskets?
          I don't think there's a cap, mine just had epoxy on top. There's a rubber round boot that helps seal out junk, it goes in the top plate.
          -Jay
          ASE Master Certified
          ASE L1 Advanced Engine Performance Specialist
          THE RACECAR daily - '95 PGT mtx stock
          HOW TO TEST YOUR VRIS

          Comment


          • #6
            Ok done it and it was not to bad
            i did it with manifold in place Removed the fuelrails and 2 waterpipes and then was able to remove and install with a socket

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