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Thread: Diagnosing closed loop misfire with TunerPro

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  1. #1
    Fuel Injected!
    Join Date
    Jan 2021
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    Deep in the heart of Texas
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    73
    EST module replaced?

  2. #2
    Fuel Injected!
    Join Date
    Jan 2021
    Location
    Deep in the heart of Texas
    Posts
    73
    Might take notice of the O2 voltage readings.

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