Causes of Visible Smoke in Your Car

Posted on Mar 7 2018 - 2:25pm by Admin

Exhaust pipe blowing out smokeIn a properly functioning vehicle, the smoke emitted is barely visible. If the smoke from the exhaust system has vivid color and it can be seen from a distance, this is a clear indication of a faulty engine. If you detect any of the colored smoke discussed below emanating from your vehicle, you need to have it checked immediately.

Black Smoke

Thick black smoke is usually caused by the engine’s inability to burn the fuel completely. This is terrible news because it means you are wasting fuel while increasing your carbon footprint. It also leads to the accumulation of carbon deposits in your engine. For an engine to burn the fuel completely, the ratio of air to gasoline or diesel must be balanced.

An imbalanced ratio can result from a computer glitch, faulty sensor, dirty carburetor, or clogged filter or injector. You should take your car to a trusted auto repair shop in California to determine the real cause of the problem.

White Exhaust Smoke

White smoke is water vapor or steam, and it commonly manifests during cold temperatures. The emission of this smoke should stop after a few minutes of running the engine. However, if the temperatures are warm and your exhaust is still producing a white smoke, you could be facing a severe problem.

This could mean your coolant is leaking into your combustion chamber. Such leakage could be caused by a blown gasket head, cracked cylinder head, or engine block.

Bluish Gray Smoke

Bluish gray color indicates that your oil has found its way into the combustion chamber. This could be caused by a malfunctioning PVC valve or a leaky valve seal. The leakage could also result from worn-out cylinder wall or piston rings, which indicate engine failure. This problem can be prevented through routine oil flushes and oil changes as indicated by your mechanic.

The smoke coming from your exhaust pipe can say a lot about the condition of your car. While your engine burns a mixture of air and fuel, it should not emit visible smoke. If the smoke is easily visible, it means the engine is not burning the fuel effectively or the combustion chamber has something that shouldn’t be there.