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Hi,The problem is either in the valve guides or the piston rings…not sure what engine you have so it’s hard to get more specific then that..heatman101
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Smoke often leaves car engines as a result of overheating. This can be caused by faulty wire casings, heated residues on the engine block and overheated liquids including oil, transmission fluid and brake fluid. There may also be a fault in your coolant system, or your engine may not have enough lubricant.
Oil collecting on the stems of intake valves is sucked into the combustion chamber during normal operation. Hot exhaust gases burn oil on stems of the exhaust valves. If there`s too much clearance between the valve stems and guides, the engine will suck more oil down the guides and into the cylinders.
Blue smoke is the significance of an oil leak occurring inside the engine. White smoke: White smoke tends to indicate water or too much air is present at the compression stage. Minute drops of water in the fuel can cause white smoke.
If your engine is low on oil but there isn`t a leak, that means it`s probably being burned inside the engine. A bad PCV valve is a frequent culprit in the case of burning oil–but what is it, exactly? A PCV valve is designed to let air escape when the pressure in the crankcase is too high.
When an oil starts to smoke it will impart a burnt, bitter flavor thanks to a substance released called acrolein. During this process, harmful compounds called polar compounds may also be released as a byproduct of the breakdown of that oil as it`s exposed to heat.
Oil consumption is sometimes caused by mechanical problems. Seals and gasket, the bearings, cylinders, ring grooves, connecting rods can be worn or damaged. Cylinders that were not honed properly when the engine was built (or rebuilt), incorrect installation of the piston ring, or other improperly installed parts.
Every oil you cook with has a certain temperature called a smoke point. Once an oil is heated enough, it will begin to smoke and break down. As the oil is breaking down, it starts to become more oxidized.
Blue or Grey Smoke
If the smoke from the exhaust pipe is either grey or bluish-tinged, it generally means that your engine is burning oil inside the combustion chamber. Burning oil could be due to a number of causes, from leaky valve seals to bad piston rings.
Diesel engines are notoriously smoky, producing much more blue, white, and black smoke than their gasoline-powered counterparts. The fundamental reasons for this are that diesels operate at higher pressures, with lower-purity fuel, and variable fuel-air ratios.
Burning oil is a common problem, but when it is ignored, it can do major damage to your car`s engine. Common culprits that result in burning oil include worn valve stems, guides and seals, and piston rings, all of which can allow oil to seep into combustion chambers.
Without a reliable spark from your spark plugs, your engine has to account for the underperformance. It does so by increasing fuel in your cylinders to maintain the pressure in your combustion chamber. As a result, your fuel economy worsens, and oil consumption increases.
The minimum repair will be changing piston seal rings, also known as oil control rings, but it could even require a complete engine replacement. You can expect it to cost anywhere from $1,000 to $5,700 for a gas engine. A diesel engine is much higher still.
In essence, your average car burns about a quart of oil, give or take, every 3000 miles. However, if you find that your car burns about a quart of oil every 1000 miles or less, that is when you have to be concerned.
Once any oil begins to smoke, it starts to break down, altering its flavor and releasing free radicals. A substance called acrolein makes the oil taste burnt and bitter, which can quickly ruin a dish.
When the oil leaks into the combustion chamber, it mixes with the fuel and air being ignited and gets blown out of the tailpipe along with them. The result is white or bluish-white smoke. This is a problem because oil does not belong in the combustion chamber.
Superior temperature resistance. Synthetics can safely handle higher operating temperatures without oxidizing (burning) or breaking down. The upper limit for most mineral-based oils is about 250 to 300 degrees F. Synthetics can take up to 450 degrees F. or higher (some as much as 700 degrees F).
Gasoline is the most consumed petroleum product in the United States.
The Signs. When drivers notice excessive oil consumption, white or gray exhaust smoke, poor acceleration, and/or overall loss of power or poor engine performance, they may be seeing signs of worn piston rings.
But once the oil becomes dirty, it`s time to change the oil and oil filter. Why? Because dirty oil can harm your car by damaging engine parts, decreasing fuel efficiency, or even triggering an engine breakdown. Long delays between oil changes and normal engine wear and tear can also lead to dirty oil.
The oil is probably leaking down onto the hot exhaust system and burning off — leaving an odor but no drops. As long as the oil level doesn`t drop below a safe level, this leak isn`t harmful. But if you`re going to keep the car, I`d recommend having the gasket replaced.
If there`s a noticeable thick burning oil smell coming from your car, it may mean that your oil is leaking. Oil can drip out onto the hot engine parts, creating this acrid smell. If your oil is leaking, it could also mean that your vehicle is overheating.
Motor Honey is an oil treatment that you add to your car`s regular motor oil. It`s designed to reduce oil burning (and the smoke that it sometimes causes) without having to make any changes to the engine itself. All you have to do is include one bottle with each oil change.
To fix blue or gray smoke: The easy way is to add a bottle of Motor Honey Oil Treatment to your motor oil with each oil change. It`s specially designed to reduce oil burning and stop smoky exhausts. The hard way is an engine overhaul, which is about a hundred times more expensive and a thousand times more work.
Black Smoke
Billowing black smoke is generally a sign that the fuel-air ratio in your engine is too rich. This means that the fuel injectors are either adding too much fuel or that the intake valves aren`t letting enough air in.
Discover Relevant Questions and Answers for Your Specific Issue
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Of and on the engine is burning oil and smokes alot. The fuek pump assembly has been replaced. Thank You
ANSWER : Hi,The problem is either in the valve guides or the piston rings…not sure what engine you have so it’s hard to get more specific then that..heatman101
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My polaris (Sportsman 700 2002) consumes about 1 litre of oil for every 200 miles. I replace the oil dipstick tube going into the engine,, because ther was a crack at the base, but it wasn’t the only problem obviously. The thing is, that normally when an engine burns oil, you can see smoke in the eshast fumes, but there doen’t seem to be any smoke. everything else goes fine. What’s the next step, because I live in Kuujjuaq situated in the Nunavik(Tip of norhern Québec) and ther are no qualified mehanics in this town, so I need some to guide me to the next step…
ANSWER : I had that problem some time ago and could not find any leak or there was no smoke. What we found was when I put the car up on the hoist there was a leak under neath the engine. Not enough to run out but when the car was driven it would throw the oil out underneath the car. I forget what one but I think the oil drain gasket was leaking. just enough leak to make the oil disappear. Put it on the hoist and see if your engine area is wet with oil.and pin point the area.
Hope this helps
Hope this helps
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LX 188. Engine suddenly dies. The fluel in the bowel of the fuel filter is empty. If I crank the engine the filter becomes dry and is collapsing some but the engine does not start. When I remove the supply line from the fuel pump to the carberator and crank the enginge there is a strong stream of gas being pumped out. I tap on the carberator ??? is the float is hung not allowing fuel to enter. Cranking the engine with the line off refills the bowel of the gas filter. Reattache line to the carberator===engine starts. Ran perfect for 20minutes then suddenly died. Repeated all the above and engine again started. What to do to fix this? Thanks
ANSWER : Debrie inside the needle and seat area which has to be cleaned out with carburetor cleaner and compressed air
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Does the John Deere series 100 lawn tractor have some sort of safety feature that shuts the engine off if it gets dangerously low on oil? I was cutting grass this morning and the engine sputtered and quit. I got off the tractor and noticed that the oil drain line plug was open and dripping oil. Have I ruined my engine or can I refill it with oil and continue on?
ANSWER : Not sure on this specific mower, but oil is usually there to lubricate and keep the temp down. When theres none in it, it gets hot and melts the pistons. Sounds bad to me
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How do i drain and fill oil on my 2008 yfz 450 quad?
ANSWER : 2400cc (2.4 liters).
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I have a 2004 60 hp yamaha 2 stroke outboard engine that doesn’t start or run well. Once warm and in the water it will idle in nuetral and also in gear. It accelerates in neutral but will die or lack power if I increase throttle while in gear. Engine will somtimes get to top speed but often while running at top speed engine will start to slow rapidly. Engine has full range of operationout when out of the water where there is no load on engine but is still difficult to cold start. Before these recent problems the engine sat up for several months and I had to change the impeller and spark plugs. Spark plugs fire, cylinders have proper pressure of 100, 100, and 110. I cleaned some fuel lines and filters and got new gas.
ANSWER : Every sympton you are describing here can be attributed to fuel starvation due to blocked jets and or water in carbs, when your engine dies does it die with dry plugs, or wet oily ones?
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I have a 1995 Kawasaki TS.All the oil from the tank is filling the bottom of the hull. I think it is coming from the punp on the front of the engine. It is so tight ,I cant even get my hand in the in to feel for oil. How do I repair it. Do I have to pull the engine, and if so is this hard to do? Can I just stop putting oil in the tank and run pre mix.If so what mix should I use? Thanks for any help.Jim.
ANSWER : No, you cannot just run premix, you still need oil for your gears and lower end of your cams and such!
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