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1993 Volkswagen Jetta Question: what would cause fuel economy to go down



andred3, 1.8L 4 Cylinder, Seattle, WA, February 28, 2012, 16:24

My fuel economy seems like it is a lot less than it should be. a 4cyl jetta like mine should get at least 350 miles on a full tank but right now i'm only getting about 280 miles. I am going to try getting my spark plugs replaced and my tires rotated, but is there anything else I might want to try besides that?

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  • Answer #1

    February 28, 2012, 17:11

    New air filter and fuel injector cleaner could help.

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    andred3, February 28, 2012, 21:19

    thanks! i'll try that, and since i was contemplating on upgrading my air filter to a short cam eventually, this helps influence my decision a little bit :)

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