Could be the Throttle Positioning Sensor.
bad battery. it gives off the rest of its power when its about dead. and that's what causes surging
check your air filter and your plugs , most common problem for lack of power and poor gas mileage
Fuel filter? Air filter? Plugs? Plug wires? Catalytic converter?
try changing the petrol filter
you need to change ur fuel pump which is in the tank or ur fuel filter or spark plugs or wires try ur pump first though
Plugged/damaged catalytic converter. Dirty fuel filter. Dirty air filter. Worn spark plugs.
Dirty air filter, worn spark plugs, dirty fuel injectors, worn piston rings, burned valves, bad sensors- and a few dozen other possible causes.
Fuel flter, air filter, spark plugs.
According to " Outdoor Power Equipment By Jay Webster",Governor hunting or surging is a problem that causes the engine to constantly speed up rapidly and then slow down rapidly.
try changing the spark plugs
hello, have you changed the spark plugs in this vehicle?
front of the engine, behind the air filter and power steering pump