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Thread: NEED HELP!!!!!!!!! knock sensor codes!

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  1. #1
    Join Date
    Sep 2008
    Posts
    322
    Now thats what happened to me.. washed my engine..

    At least we know its not the sensors.. unless they used the harness again, or possibly even just dried the old sensors putting them back in.. Hope not, I would be one angry mofo
    - Waiting for an lq9 swap - Super 40 center in dual out - battery swap to spare tire location - exhaust turndown -

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  2. #2
    Join Date
    Jul 2008
    Posts
    329
    We're at the point now where any further input would be guesses. We need to know the resistance across the two wires coming from the rear sensor. Can you trace them to where they enter another harness and get this reading? It should be about 100 ohms. If it's a lot less than this, there's a short somewhere. If it's a lot more, there's either an issue with the connector/harness, or the sensor is not making a good ground contact.

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