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What causes a lawn mower engine to rev up and down with out moving the throttle setting?
The governor spring adjustments
What causes a lawn mower engine to constantly rev up and down?
Revving up and down is usually a symptom of a dirty air filter.
What causes a Briggs and stratton engine idle speed go up and down?
The most common cause of engine surging (rev up and down) is a dirty air filter.
Why does lawn mower engine power fluctuate?
If you mean the engine will rev up and down as it is running, it has been my experience that a dirty air filter is a cause of the fluctuation.
Need pull cord assemble for Briggs and Stratton motor rev number 030253 and serial number 1012737668?
yes
Why wont your lawn mower rev up and it keeps dying?
not getting gas. clean\carb rebulid needed
What causes a car to over rev?
If you don't shift it!!!
How did rev off avenge sevenfold die?
'Natural causes' apparently.
What causes small gas engines to rev up and down?
The govenor on the carbeurtor, When the motor is not getting enough fuel and is about to cut off, The govenor kicks in and squirts more fuel in to keep it alive.
Your 1992 Cabriolet almost stalls when you rev the engine almost likes its bogging down but its not carborated. What causes this.?
u need to take a chip out of a PC and put it in the computer change the fuel filter
What causes a mower to rev up and down?
Look for a dirty/clogged air filter or fuel filter. A more likely cause would be a blockage inside the carburetor. Secondary, a bad gasket somewhere between the carb and engine block. A clogged fuel filter would allow the engine to run ok for a few minutes before surging, and a blocked air filter would cause a rich running condition.
What causes your van not to rev?
Simple. I don't have a van and it never revs! Thanks for asking
