The most common registered problem with the Toyota Rav4 is excessive oil consumption. The average cost to repair this is around $2,850. Alternative engine problems with the vehicle include failure of the oxygen sensor and a reported knocking sound upon engine idle.What are the features of a Toyota RAV4?
Full Answer. The Toyota RAV4 comes with an engine immobilizer, dusk-sensing headlights and two front and three rear headrests. The SUV comes with a rear center three-point safety belt, stability and traction control and rear height-adjustable headrests. The RAV4 also features tire-pressure monitoring, a first aid kit and a remote security system.