Compare the MPG before and after the changes and corrections. Calculate percent fuel saved. Compare cost of repairs vs. cost savings. Compare the before and after cost for operating this vehicle. After each false statement, explain why it is false.
Traction only affects braking.
A tire which has been run low on air for some time will show signs of wear in the center treads. All modern engines need to have 10 W 30 oil. Emissions control devices such as the PCV and EGO valves need to be serviced when they fail. Proper tire inflation can add miles to tire life as well as minimize energy losses due to tire squirm. The owner's manual is a good source for preventive maintenance that can keep a vehicle capable of delivering its top fuel mileage.