tune up

[bubba 10]

2012 sr5 v6. changed spark plugs, air filter, cleaned maf. Mileage went from 18 to 14.5. any ideas?

 

[Bossman]

http://www.toyota-4runner.org/5th-gen-t4rs/152598-5th-generation-poor-fuel-efficiency-causes.html

http://www.toyota-4runner.org/5th-gen-t4rs/183698-mpg-going-down.html

http://www.toyota-4runner.org/5th-gen-t4rs/209379-sudden-drastic-drop-mpg.html

 

[bubba 10]

As a footnote: I did reset the maintenance light. Perhaps that has something to do with the mileage readout. ???

 

[Swarty]

As a footnote: I did reset the maintenance light. Perhaps that has something to do with the mileage readout. ???

How many miles do you have on it and have they been city or freeway? If you reset the MPG it takes some time for it to level out.