Poor Fuel Mileage: Rodeo

Brake drag.
Clutch slipping.
Engine idle speed too high.
Excessive Exhaust Gas Recirculation flow due to trouble in Exhaust Gas Recirculation system.
Fuel cut function does activate.
Fuel system leakage.
Misfiring or abnormal combustion due to trouble in ignition system.
Mixture too rich or too lean due to trouble in fuel injection system.
Returning of accelerator pedal controls sluggish.
Selection of transmission gear incorrect.