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Hylndr in pa
my g/f has a 95 g/a with 3.1 v-6 that is a turtle, new plugs wires, compression is 145-150psi, all plugs were nice tan color and clean, replaced fuel filter at tank, runs smooth and is happy at highway speeds, but wont get out of its own way off the line, no pinging, no missing, check engine light comes on sporadicaly but goes out and when checked at auto zone there is no record in the memory, any suggestions? thanks in advance, dave