time for a tune up, guaranteed
i've gotten 34 mpg in my turbo civic on the highway...
not sure how mechanically inclined you are but here's something that should be done if you love your car...
sparkplugs
wires
inspect cap+roror, replace if bad
Clean fuel injectors
new fuel filter
Seafoam engine
Clean throttle body
valve lash adjustment
change engine coolant
waterpump
timing belt
tensioner
the last 4 items are optional, but if you don't have any maintenance records for the car and it has over 70,000 miles, then it's probably a good idea to change them. Also if you car is an automatic, get your transmission fluid changed, so you know it's fresh, and then change it every 25,000 miles afterward (trust me on this).
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