Why does my car smoke when I start it up?
Blue smoke can also be caused by poor grade oil that’s too thin and finds its way through the oil rings and scrapers. Cheap oils sometimes do not save you money; they steal the life of your engine. In some cases you do find that when you change oil with good grade thick oil, the smoke goes away especially on high mileage engines.
What does it mean when your car has black smoke in it?
Faulty injectors, sensors, worn carburettor jets can all cause black smoke. In most cases, black smoke however, is an easier fix than blue or white smoke. You may not have to open the engine to fix it. The next time you see smoke, remember white smoke means you are burning coolant or water. Blue smoke means you are burning oil.
Why does my car have white smoke coming from the exhaust?
The main cause of smoke from exhaust when accelerating is due to a burning coolant or transmission fluid problem. When the white smoke is as a result of transmission fluid, it means that the car engine is likely absorbing excess fluid from the vacuum pipe or hose which is what makes it produce white smoke.
What to do if you have smoke coming out of your engine?
A mechanic may need to re-weld parts of the block or use a method known as cold metal stitching to make repairs. Be warned, the work is very expensive and it could work out cheaper to buy a new car. Smoke from the exhaust is usually less serious than smoke leaving the engine.
What causes blue smoke when starting a car?
When a car is producing blue smoke it means oil is getting into the combustion chamber for one reason or another and being burnt along with the normal gasoline. This creates a blue colored smoke which is passed down the exhaust system and then exits the car along with normal gases.
Why is my car smoking from under the hood?
Older engines produce more hot spots, which make the car smoking under hood but not overheating. Worn out piston rings and clogged PCV tube or valve are the culprits that cause this smoking issue. The timeworn rings make the pistons to siphon fuel into the cylinder where it burns and creates smoke.
Why is my car smoking from the exhaust pipe?
Causes of White Smoke Coming from the Exhaust Pipe Condensation. The most common reason for white smoke from the exhaust pipe is condensed water that is getting vaporized. Leaking Intake Manifold Gasket. Now we are coming to a little bit more serious problem, but not too bad. Bad EGR Cooler. Blown Head Gasket. Cracked Cylinder Head or Block. Too Rich Fuel Mixture.
Why is smoke coming from my car?
The most common cause of smoke under the hood is small amounts of motor oil or other fluids accidentally spilled or leaking from a bad gasket or seal onto a hot engine or the exhaust system. Those other fluids may include engine coolant, power steering, brake and transmission fluid, even window washer solvent.
Why does my car have blue smoke coming from the exhaust?
Blue smoke usually appears in the morning when your engine starts up for the first time of the day. Blue exhaust smoke indicates that your engine is burning oil. Though this is primarily a problem in older cars, not taking care of maintenance issues can cause oil burning regardless of year.
How to check for Blue Smoke on start up?
One way to check is to go about 50 mph and take your foot off the gas. The engine vacuum will suck the oil past the guides, showing blue smoke. Before catalytic converters this test was easier. SteveC76 July 6, 2016, 5:15am #7 Valve seals are worn out.
What does it mean when your car smokes White smoke?
Thin white smoke (especially on a chilly morning) is nothing to be concerned about. Thick white smoke, on the other hand, can indicate a problem. In particular, it could mean that your engine is burning coolant, which could mean a problem with a head gasket or a cracked engine block.
What causes a car to smoke on start up?
Every single one of those cars smoked on startup. Every single one of those cars had coked up valve trains and clogged oil return passages. When a mechanic was in between jobs or held up on parts they would grab one off the back lot and start in with the PITA job of cleaning the valve train up and opening up the drain holes.
What does it mean when your car has white smoke coming from the exhaust?
White smoke. Some white exhaust smoke is normal, especially when you first start the car. Condensation can turn to vapor, providing what looks like white exhaust. But excessive white smoke likely means coolant is leaking into the engine combustion chambers.
One way to check is to go about 50 mph and take your foot off the gas. The engine vacuum will suck the oil past the guides, showing blue smoke. Before catalytic converters this test was easier. SteveC76 July 6, 2016, 5:15am #7 Valve seals are worn out.
How can I tell if my car has blue smoke?
One way to check is to go about 50 mph and take your foot off the gas. The engine vacuum will suck the oil past the guides, showing blue smoke. Before catalytic converters this test was easier. Valve seals are worn out.