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Thread: Halp

  1. #11
    Scrubbydo1 is online now [OP]
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    No, it was happening before spark plugs, and before tune. Chevy replaced the knock sensor, and I tuned two days later, haven’t had much stock time driving around to see if happens while stock, but the bit I have, it hasn’t happened. I replaced spark plugs after second time back to Chevy trying to eliminate every possible cause.


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  3. #12
    Scrubbydo1 is online now [OP]
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    Code is P0325


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  4. #13
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    Quote Originally Posted by Scrubbydo1 View Post
    Code is P0325


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    A code P0325 most likely means one or more of the following has happened:

    The knock sensor is faulty and needs to be replaced
    There is a wiring short/fault in the knock sensor circuit
    The PCM powertrain control module is failed


    Read more at: https://www.obd-codes.com/p0325

    Have you done anything to compromise the wiring?

    Might be the tune.
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  6. #14
    Scrubbydo1 is online now [OP]
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    I didn’t touch the knock sensor. Chevy said they replaced it. I just took a scope around the back of the motor and it had the factory green dot and is full of road salt from the winter, I don’t believe they changed it. They were really weird about it. They made my steering wheel crooked, and then when I picked my car up they said they lost the sensor they took out of the car, but when they find it they’ll email me the service write up. That never happened. I brought it in again when knock code tripped, I had to clear the code that time because it was I limp mode and I couldn’t move, and was on a freeway. I’m ordering the sensor tomorrow and replacing it. There is an aftermarket NTK sensor in rockauto that looks very solid


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  7. #15
    Scrubbydo1 is online now [OP]
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    I bought and replaced the knock sensor today, personally. Disconnected my negative battery for an hour to completely clear ecm. Tripped knock sensor and limp mode. It has to be the tune, just messaged trifecta support, we will see what they say


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  8. #16
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    Doesn't happen stock....And dealer can't fix it....Hmmm. I wonder why,

    It's an issue with the tune parameters most likely. It goes into limp mode but doesn't set codes?

  9. #17
    Scrubbydo1 is online now [OP]
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    It does give cel, P0325, knock sensor circuit malfunction. It doesn’t trip the cel or go into limp mode when it is flashed stock


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  10. #18
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    check out ZZ performance

  11. #19
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    P0325 is an electrical performance code for the knock sensor. It's usually a physical failure of the sensor or the wiring.

    That said, it's still most likely something going on with the tune. But it could be a wiring fault that's only induced by the motion that the higher power of the tune can create.

  12. #20
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    Why is this even a conversation here? It doesn't do it stock. It only does it tuned. Not rocket science folks. Parts are all good. Tune is not good. Questions now go to Trifecta.
    2015 Chevy Cruze CTD 120K (DEF Tank Replaced)
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