Three possibilities. Overfilled with oil. Worn cylinder or rings. Worn valve guides. On most smaller engines, it's cheaper to replace the engine or the short block. If the engine has overhead valves and the valve guides are worn, a short block won't fix the problem.
The fuel filter is probably clogged and restricting the fuel flow. If the engine blows black smoke before it cuts out, then the engine is flooding - look for a dirty air filter or a fouled spark plug.
as long as the air intake is above water and the spark plug connection is not fouled or shorted.
no The starter should engage whether the plugs are fouled or not. However, the engine may not start if enough plugs are fouled. If you feel that you have flooded the engine or fouled the plugs you may need to clean them before it will start. If you have caused the carburetor float level or other settings to be significantly changed, the engine will flood and it will not start.
A choke on a lawnmower engine, or any engine with a carburetor, is a device that reduces the airflow through the carburetor. It causes the fuel-air ratio to be richer, that is, more fuel and less air. This helps most carbureted engines to start while cold and before steady fuel flow is established, but the rich mixture reduces the power and efficiency of the engine tremendously. Leaving the choke on will produce hydrocarbon and carbon monoxide emissions and may cause the engine to stall as soon as any load is placed upon it. That is why engines require either manual release of the choke or have an automated device to back it off. Excessive use of the choke will generally result in fouled spark plugs.
Yes, fouled spark plugs can cause engine shaking, and loss or power. I'm not sure about knocking but I'd guess that too.
Check The ignition wires and coil. Make sure that you don't have a fouled plug. If these are ok then there could be an internal engine problem, check for proper compression.
Fouling spark plugs can happen when the tip temperature is insufficient to burn off carbon, fuel, oil or other deposits and causes spark to leach to metal shell...no spark across plug gap will cause a misfire. Wet-fouled spark plugs must be changed as they won't fire. Dry-fouled spark plugs can sometimes be successfully cleaned by bringing the engine up to the operating temp.
The engine is not performing properly. Common causes: lack of maintenance, including dirty air air filter, fouled spark plugs, a clogged fuel filter. Also a fuel pump that is dying can have this effect. Replace engine with a small-block 350 ;-).
Probably has something to do with the compression release or valve adj. Look at troubleshooting in the manual. You did not say if your lawnmower is gas or electric. Problem (not starting) could mean the spark plug is fouled, improperly gapped, or damaged. Does it crank but the engine never catches? You didn't say Is there an electric starter? Outlet might not be live - battery could be weak or dead or there could be bad connection or bad starter motor.
I have a 99 Hyundai Sonata That the check engine light came on, and # 3 & 5 Injectors were fouled
spark plugs fouled with oil. blue smoke from tail pipe.
That is on of many possibilities. See related questions for more info.
The year, make, model and engine would help us help you.
A fouled spark plug will make you lose horsepower if the plug is not producing a good spark. The other thing a fouled plug can do is if it is not firing right the fuel that gets into the cylinder dosent get burned all the way and it is then pushed out the exhaust valve and goes into the exhaust system. from there the fuel can get hung up in the catalic convertor and then burn in the convertor and then you will nedd to replace the convertor it also causes the unburnt gasoline to wash the oil off the cylinder wall and cause undue wear
Probably a spark plug is fouled up.Also check plug wires if you have an older model.
Too much oil can cause the spark plugs to get fouled enough not be able to ignite the fuel and the engine will flood. Too much oil will not keep an engine from "turning over', but the overly fouled plugs can certainly prevent it from starting.
possible fouled spark plugs, bad fuel. check both and if both are good, get back to me.
Bad gas, fouled plug(s), engine out of time, vacuum line leak or clogged.
It would Depend , If it is Blue Smoke it is oil burning which could be a Blown Head Gasket or Worn Rings. If it is a black smoke or dark in color it may be fouled plugs but it would run rough if it was that.
The basketball great fouled three times in the game.
Yes. If the pass would be considered an assist if the scorer was not fouled, it is also considered an assist if the scorer was fouled.
You should never run any engine with a faulty turbocharger. The oil in the turbocharger can catch on fire. You will need to either fix the turbocharger or remove it.
Could be, Fouled spark plug, Bad spark plug wire, Bad fuel injector (if applicable), Bad coil on plug (if applicable), Burned valve, No or low compression, Bad distributor cap & rotor,
The person who got fouled who is hurt
You need six fouls to get fouled out in a NBA game.