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    Grapefruit02478's Avatar
    Grapefruit02478 Posts: 20, Reputation: 1
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    #1

    Oct 4, 2009, 07:22 PM
    2000 Nissan Frontier (V6 3.3L) with Knocking Sensor Code Displayed
    We have had a knocking sensor code triggered on our Frontier on Bank 1 Sensor 1 and Bank 2 Sensor 1. We replaced all 4 oxygen sensors (Bank 1 Sensor 1, Bank 2 Sensor 1, Bank 1 Sensor 2 and Bank 2 Sensor 2) and the knocking sensor code has been triggered once again. I have put in Denso sensors and Bosch sensors and replaced them three times with the same result.

    It is now giving the following codes:
    P0325 (Knock Sensor 1 Circuit Malfuntion)
    P0131 (O2 Sensior B2 S1 Circuit Low Volt) and
    P0151 (O2S Low Volt (Bank 1 Sensor 1).

    What do you recommend our next steps to be?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Oct 4, 2009, 08:15 PM

    Have you tried replacing the Knock Sensor itself?
    Grapefruit02478's Avatar
    Grapefruit02478 Posts: 20, Reputation: 1
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    #3

    Oct 4, 2009, 09:07 PM
    No, I have not yet replaced the knocking sensor itself.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    Oct 5, 2009, 06:09 AM

    The Knock Sensor, then, is likely the problem and should be replaced.
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