4 runner with poor gas mileage

my wife's 4runner seems to be getting poor mileage 99 sr5 is getting about

15 mpg. i seem to recall it getting about 18mpg, but not sure. is 15 mpg too low? i changes the air filter which was fairly dirty, butt still poor mileage. any suggesitons?
Reply to
Don
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Next logical step would be to change the fuel filter, and look at the last time you changed plugs, etc.

N.T.

Reply to
hey there

thanks. plugs & fuel filter never changed at 70k miles

Reply to
Don

That will do it -- avoid temptation to go with non-OEM plugs (stick with NGK or Nippondenso).

Reply to
Wolfgang

Go to NGK.com and checked out their Iridium spark plugs.

Reply to
DTT

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