Tacoma PreRunner Dbl Cab 2WD V6-3.4L (5VZ-FE) (2001)
Speedometer Head: Testing and Inspection
INSPECT SPEEDOMETER ON-VEHICLE
Using a speedometer tester, inspect the speedometer for allowable indication error and check the operation of the odometer.
HINT: Tire wear and tire over or under inflation will increase the indication error.
If error is excessive, replace the speedometer.