The remedy is simple: replace the filter. Clogged or dirty air filter: An essential part of a vehicle’s fuel system, an air filter stops airborne contaminants from getting sucked into car’s engine, where they can clog up the works.If that’s the case, here are the likely culprits: If it continues after the car warms up, there’s cause for concern. If your car emits a little black smoke at start-up, but it clears up as the engine warms to operating temperature, don’t worry – that’s normal for some cars. While the presence of exhaust smoke can indicate a serious car malady, there is a silver lining: the color of that tailpipe plume can give an indication of what might be wrong, which helps to generate a quick and efficient diagnosis.īlack exhaust doesn’t always indicate impending doom. Common causes of exhaust smoke, according to its color: Read on for common issues that can cause exhaust smoke. If this ever happens, quickly exit and move far away from the car.Īgain, smoke from the exhaust is nearly always the type of smoke detected in a diagnostic situation, not engine smoke. If the leak is large enough, you will likely see the oil dripping on your driveway or garage floor.Ī fire under the hood would produce smoke, but flames would follow that, resulting in a very dangerous situation. If there is a problem within the engine that produces smoke, that smoke will exit the engine through the exhaust.Ī leaking valve cover gasket might produce smoke caused by oil dripping on a hot manifold. Smoke is not a good indicator that some malady is brewing within the engine the color of your car’s exhaust is a better diagnostic tool. Smoke rarely comes from the engine bay, and if it does, the issue is typically critical already. First, an important note on engine smoke: If exhaust smoke is visible, you likely have a real problem, and one that will require a skilled auto technician to remedy. If it’s operating in tip-top shape, tailpipe emissions should be nearly undetectable. You can learn a lot about the health and well being of your car from the color of its exhaust. Service type Smoke from engine or exhaust Inspection
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