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Old 10-10-2012, 03:16 PM   #54
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Join Date: Sep 2012
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Location: Huntington Beach, CA
What I Drive: 2006 Black ZX3

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My car <---------- is getting 29-30mpg's, last tank was about 50/50 city/ highway driving like a grandma in the city and 70-75mph fwy. Wish it were better, I've replaces spark plugs, cleaned MAF, disconnected the battery for 15-20 mins, ran a can of sea foam through a tank, checked tire pressures. I just replaced the fuel filter, probably first one @ 75k but who knows hoping that will get me a few more miles. Still not bad I guess, does short shifting in this car decrease the mileage? I shift at like 13, 20, 28, 35 and 40mph (no tach :( ) or so driving like a grandma seeing what kind of mileage I can squeeze out of her minimal a/c.

Where can I get a drop in replacement filter to get rid of this lifetime thing? Autostore can't look it up it says not replaceable. I'd like to do the cabin air filter as well.

What else can I do maintenance wise or after market to improve fuel economy?

Sorry to kind of hijack your thread
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