You may have a blown head gasket. The white smoke may actually be steam from coolant leaking into the combustion chambers. If your car is using a lot of water, this would back up the blown head gasket theory.
White smoke is coolant and black smoke is oil. I agree that this is likely a problem with your head gasket.
Injectors, timing, low cylinder pressure.
the valve guides could be worn out The carburetor is running fuel rich and needs adjustment. If it were valve guides or rings the smoke would be blue
Smoke can come from several things. White smoke when first starting on a cold day is normal. Black smoke indicates the wrong fuel/air mixture. Blue smoke indicates that the engine is burning oil.
White smoke is eaither a blown head gasket or you have water in the fuel system. This is not to be confused with flooding an engine and seeing white vapor coming out of the exaust in which that would NOT be smoke, it would be gas vapor's. If your burning oil, the smoke will be blue and smells of burnt oil.
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Lawn morwer white smoke when starting and again when turning it off. Does this hurt it. Do i need oil
One reason could be a worn engine.
A blown head gasket
Failed internal oil seal
Could be that the lawn was wet and that the white smoke was actually steam.
Service or replace the engine. A vehicle does not emit much smoke if it is in good condition and running properly.
normally when the engine emits bluish white smoke, the engine oil mixes up with the gasoline in the combustion chamber-as a result of loose compression. White smoke - Water in the exhaust, head gasket gone? check for emulsion on filler cap and do a compression test. Blue smoke - burning oil, check valve stem oil seals, valve guide clearances or piston rings Black smoke - Fuel mixture too rich, go to a garage and have it tuned.
White smoke is usually a symptom of a bad head gasket leaking coolant into the cylinder. If the white smoke stops after it warms up it could just be condensation from sitting for a while.
your engine is either too full of crankcase oil or you Are on the side of a hill too steep to operate engine on, or#3 YOUR RINGS ARE SHOT
White smoke occurs when there is moisture evaporating from the exhaust system from sitting overnight or in cold weather. Your car may also emit white smoke if there is a head gasket leak and the car is burning coolant. In this case, you will need to see a technician immediately.
Many reasons; check your oil.
worn piston rings
It may not ruin the engine, but it will foul the spark plug, making the engine run rich and/or hard to start. Will also emit a lot of gray smoke.
I was told by my friend who has a power stroke that it's unburnt fuel. Since they run off of fuel pressure.
Many of them do
White smoke is most often associated with a blown head gasket. If your car is overheating this is more than likely the problem.
one of the causes of all three symptoms is a bad fuel injector
I don't think the oil/gas mix will harm the engine, but the engine will probably emit greyish-blue smoke until the oil/gas is burnt off. Also, the spark plug will probably foul due to the oil, and cause the engine to burn rich and emit black smoke. The engine will probably run rough until all the oil/gas is burnt and you will have to remove and clean the spark plug often. Save yourself the "headache" and drain the oil/gas from the fuel tank.
You may have a blown head gasket. The white smoke may actually be steam from the coolant leaking into the combustion chambers. If your car is using a lot of water, this would back up the blown head gasket theory.
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