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What causes vehicle smoke?
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 throw smoke when I turn it on?
Many times, this thick smoke is due to the likes of a blown head gasket, damaged cylinder, or a cracked engine block, which is causing coolant to burn. Thick white exhaust smoke usually indicates a coolant leak, which could cause overheating and put your engine at a serious risk of damage.
Why would a car smoke under the hood but not overheating?
Oil Spillage and Leakage – If oil spills on the engine, it can burn and send up smoke without there being any overheating. Leaking Coolant – If you see white smoke under the hood, it’s most likely burning coolant that has come into contact with the hot components beneath your hood.
Can a bad transmission cause white smoke?
Automatic transmission failure can be another source of smoke in your tailpipe. If your automatic transmission system is leaking fluid into your engine, the fluid will start to burn and create light gray smoke.
Is it normal for a car to smoke?
It is normal to see a small white puff of smoke coming from your tailpipe after sitting overnight. It’s just water vapor. On a rainy day, you may also notice some steam coming from the hood as water comes into contact with the exhaust or the radiator.
Can transmission fluid cause a car to smoke?
Automatic transmission failure can be another source of smoke in your tailpipe. If your automatic transmission system is leaking fluid into your engine, the fluid will start to burn and create light gray smoke. A professional auto repair appointment will be necessary to remedy your transmission fluid problem.
What does Black smoke mean in a car?
Black Smoke This means that the fuel injectors are either adding too much fuel or that the intake valves aren’t letting enough air in. This could be caused by a leaking fuel injector, a faulty fuel pressure regulator, or a bad air filter. If your engine is running this rich, it can cause serious problems.
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