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fuel trims

  1. MaxB

    Slight Hesitation - Fuel trims?

    My car sometimes has a slight hesitation at around 2-3k and I've been trying to work out what may be causing it. I haven't had a chance to log any data when it's done it yet but here's an example of the fuel trims and o2 sensor values when just idling. Can anyone notice anything out of the...