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Knock Sensor Error

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    #1

    Knock Sensor Error

    91 CB1 Accord
    Engine: F18B (Accord CF-3 VTEC)
    ECU: F23A VTEC

    when I drive car aggressive driving the car throws P0325. which is knock sensor. Actually there is no knock sensor attached, Neither did it came with this engine. Wiring Harness does not have its wire.

    This is i guess because of F23A ECU. I found out that there is space for sensor at left side of Oil Pressure Switch below air intake.

    I have non adjustable distributor with 4 wire out of which two are for ICM i guess

    Would it work if i just put sensor there and wire it to computer?

    How does computer control the timing advance or retard?

    Some Pics
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    #2
    If you install it and wire it up properly, it should work fine. The knock sensor is basically just a microphone that listens for knock inside the engine.

    A better option would be to use the correct ECU for your F18B. You're using an ECU for an engine with .5L greater displacement, a different camshaft profile, and probably a different compression ratio (I know very little about the F18B to compare.) Even with everything hooked up properly, that ECU can't possibly be running your engine correctly!






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      #3
      Originally posted by deevergote View Post
      If you install it and wire it up properly, it should work fine. The knock sensor is basically just a microphone that listens for knock inside the engine.

      A better option would be to use the correct ECU for your F18B. You're using an ECU for an engine with .5L greater displacement, a different camshaft profile, and probably a different compression ratio (I know very little about the F18B to compare.) Even with everything hooked up properly, that ECU can't possibly be running your engine correctly!


      Most importantly is the difference in stroke length, and how that equates to ignition timing and injector pulse length(the tune).



      I agree with Deeve. Getting a proper ECU is the best way to handle this.
      Originally posted by wed3k
      im a douchebag to people and i don't even own a lambo. whats your point? we, douchbags, come in all sorts of shapes and colours.

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