Toyota Avalon Engine Poor Mileage

My 2002 Avalon Xls With 130k Has Had A Sudden Loss Gas Milage. I Used To Average About 27mpg On The Interstate...now I Am Getting Only 22-...

I Did A Tune Up To My Car And The Now Its Eating Up Way To Much More Gas Than Usual. There Is No Leak In The Fuel Line. I've Noticed That...

I Recently Replaced A Fuel Filter And Broke The Fuel Line. I Repaired The Fuel Line And Everything Seems To Be Running Smoothly, However My...