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Warm engine struggles off start, up hills

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    Warm engine struggles off start, up hills

    After the car drives on the freeway until warm, then I exit, it will stumble and struggle to accelerate from a start. Eventually it comes back and surges back to normal acceleration.

    Im thinking fuel pump or fuel pressure regulator. But I've had fuel pumps die on me in e30's before and they never failed like this. But feels like its starving of fuel. Oh and fuel filter is brand new. Changed it just to be sure with no change.
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