Thread: Diagnosing Hesitating/Misfiring X35i with No Codes
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Old 09-13-2021, 11:47 AM
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andrewwynn andrewwynn is offline
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Re reading the initial post, I think there might be a sensor messing with you.

My understanding is the ECT sensor has two outputs. If one isn't reading correctly it could be both the reason the water pump kicks in and if it's used for determining closed loop or air fuel mix.
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