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How to improve mileage per gallon
Hi Guys,
I bought 98 PF(71500 miles) about 4 months ago, recently I find my car only drive 13-14 miles per gallon, most on local drive . I am not sure is that normal? if not, how to improve my mileage. which part I need to replace? I only changed the fuel filter since I bought it.
Thanks your post.
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