Used Car Inspection Checklist Driveability Acceleration should be smooth. Pinging may indicate a needed tune-up or may be poor fuel. Some pinging under hard acceleration may be normal.
Blue smoke indicates burning oil.
There should be no delay between engine speed and speed of the car. If there is a delay, car may have transmission problems. If car has a manual transmission, clutch should engage smoothly and should not slip. Suspension When safe, take hand from wheel. Car should not pull to one side.