Saturday I dove my 91 300D across PA (Philadelphia to Pittsburgh) with no issues. Today on the return trip it felt as if the car was running out of fuel on long uphills. By the time I was 1/2 way home it was clear that beyond 2500 - 2800 RPM it feels like the engine is starving for fuel. I did not add any fuel or change / do anything to the car.

Right now my plan is to change both fuel filters at the engine. However while I'm under the hood want to be certain nothing is overlooked. So I'm seeking advice on anything else that should be checked / replaced.

Thanks

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