just bought a 1999 ford ranger xlt 4x4. v-6 3.o flexfuel. the check engine light came on and it will turn over but wont start. is this an electric fuel pump relay problem or a fuel pump? how do i know the difference between the two without spending the $ to replace both/

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1999 ford Ranger XLT 4x4 3.0 V-6 fuel flex option