That's not incense, Manager.
While the sages and learned men among us may espouse that where there's smoke, there's glow, sometimes -- largely where engines are concerned -- smoke is equitable smoke. While it may not be devastating in and of itself, smoking is generally symptomatic of deeper problems that miss instant worry before burning over all the cash in your purse.
Exhaust Smoke
Exhaust smoke comes in three basic flavours: clouded, immaculate and melancholy. Jet smoke typically comes with a Powerful odour of fuel, and indicates that there's as well yet fuel or not Sufficiently air going into the Engine, or that there's a Glimmer malfunction causing a misfire. Chalky or gray smoke indicates soak in the cylinders, imaginable due to a coolant leak down the intake gasket or belief gasket. Downcast smoke comes from oil burning in the cylinders.
Smoke From the Oil Filler
This is a general ailment, mainly for older engines. Nearly all engines Testament emit a faint wisp of smoke from the oil filler cap due to oil burning inside the engine.Oil smoke has a many Aroma, according to an asphalt parking parcel or roofing tar on a fevered date. Odds are bad that provided you've got any amiable of smoke coming from the engine bay, then it's due to oil leaking from somewhere and dropping onto the exhaust manifold or catalytic converter. Valve incorporate gaskets are one insidious and endemic argument of oil smoking, expressly on V-configured engines. Oil pools inside the valve include along its inner string; any breach in the valve insert gasket Testament packages anything ranging from a drip to a stable stream of oil falling onto the exhaust manifold.
Oil normally gets in completed either a leaking intake valve seal or finished worn piston rings. Cylinder misfire, loss of energy or a loss of fuel economy may accompany any colour exhaust smoke.
Oil Smoke From Engine
Older engines are more prone to developing the hot spots that contribute to this oil smoke, but oftentimes you'll find that it's a result of worn piston rings or cylinder bores. Worn piston rings will allow the pistons to suck oil into the cylinder, where it burns and then shoots past the piston rings. Oftentimes, the crankcase ventilation valve will suck this smoke back into the engine to be re-burned, but if not then the oil smoke will rise from the oil filler cap. This is especially true if you've got a clogged or malfunctioning PCV valve or tube.
Electrical, Steam and Other Smoke
Electrical smoke usually has an acrid tang, impossible to mistake for anything else. But that's only if the smoke is coming from a hot wire; bare copper wires like those in the alternator emit a more subtle fragrance of ozone and hot metal. Alternator smoking is fairly unlikely unless the alternator is completely fried, in which case you should get a check engine light and a low voltage light. If your engine puffs out an occasional stream of white smoke, it could be steam coming from your coolant overflow tank. Leaking and burning transmission fluid and power steering fluid will also create a cloud of smoke similar to an engine oil leak, but with a slightly more chemical aroma.