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Brief hesitation at take-off from stop or reverse

  

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Accelerating from a stop or reversing, my 04 Suburban slightly and briefly hesitates. 246,xxx miles. My air filter is ACDelco and squeaky clean and I replaced the fuel filter, it is also an AC Delco part. What are a few of the explanations for why a vehicle behaves this way and what is the next thing i should check?

  1. If this information helps at all, last year, I replaced the intake manifold, knock sensors, oil pressure sensor, MAP sensor. In January '22, I replaced the thermostat and last month I replaced the water pump. All of the new parts are factory except for the intake manifold.

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Have you scanned it for any codes yet?


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