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2000 w/123k miles Running out of gas???

Fuel System

Vehicle Information: Model (Boxster, Boxster S,Cayman, Cayman S): Boxster; Year: 2000; Engine (type, size, modifications): 2.7; Total Mileage: 123,000; Transmission: Manual;

Think I have a fuel pump/relay/filter acting up. New porsche engine 1 yr old(20K),fuel filter changed every oil change,3 gal of fuel in tank when it quit,92 degrees:Drove 40 mi to work,12 hrs.later started,came down to idle & went dead like out of gas.Started again,again etc. finally it would spin but not fire.No check engine light, cheked FP fuses,15 min later it finally started.Stopped to gas up & same again as above, started after 5 min.,drove 35 miles home & ran fine even at high rpm.Still running fine today. Should I replace the pump due to age/miles?Is only FP relay in left footwell on support#1 plug#13?If I replace pump will I have to calibrate the fuel sensor or is info saved when batt. removed? Help! Thanks heaps,Scott!!

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