tachometer

the tachometer shows the engine speed in rpm.

a high tachometer reading indicates a fast engine speed.

make sure to monitor the tachometer while driving.

the mechanic adjusted the tachometer for better accuracy.

when the tachometer reaches the red zone, shift gears.

the tachometer is essential for performance tuning.

drivers often rely on the tachometer for optimal shifting.

some cars have a digital tachometer instead of an analog one.

the tachometer can help prevent engine over-revving.

understanding the tachometer is crucial for new drivers.