yeah, plugs are supposed to be done at 100K so they're probabily ready to be changed. do them first and see how it runs.
if that doesn't work, plug wires and coil packs would be next.
after that, you could also clean your throttle body and make sure your air filter is nice and clean. same for fuel filter.
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2000 Chevrolet Malibu LS
2000 Oldsmobile Alero GL (sold)
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