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How do you increase gas mileage on 2001 Toyota 4-Runner whit a 3.4 liter engine?
Wiki User
∙ 14y ago
My wife and I have a 2000 Toyota 4-Runner and we started using a fuel catalyst called Fuel Infusion (www.fuelinfusion.com) in it about 3 months ago. We were averaging about 17 mpg before, and we now see about 20-21 mpg consistently.
Other than that, i would make sure that your tires are inflated properly, your air filter is clean, and you're not driving with a lead foot :)
Good Luck!
Wiki User
∙ 14y ago
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