Driving in low gears. Pushing hard on the accelerator ("flooring it"). Going uphill. Driving with excessive weight (like a trailer). Either shift up or lay off the gas to bring your engine speed down. This is a classic symptom of a "worn clutch" in a manual transmission vehicles. The friction disc cannot transfer power under load so it slips under load causing excessive engine reving. Excessive engine RPM at idle can be caused by a vacuum leak or by a stuck Idle Air Control (IAC) valve.
Excessive revving of an engine causes overpressure in the crankcase. It causes unhealthy expansion in the pistons and the valves.
too much fuel, excessive oil consumption
Perhaps you could explain your question in different terms.
The governor spring adjustments
it might men that your gas intake lever is sticky or rusted
Excessive engine RPM....low oil level.....engine component wear/stess/fatigue ....over heating....
I had this problem, I had a faulty TPS sensor
Rev Like to rev an engine
excessive amount of fuel, running too rich.
dont rev the engine to much dont rev the engine to much
The most common cause of engine surging (rev up and down) is a dirty air filter.
Does it do it in neutral when you rev the engine up... if so it's the power steering pump...