What does the teapot light mean on a car?

The term "teapot light" is often used informally to refer to the check engine light on a car's dashboard. This light, shaped like a teapot in some vehicle models, is part of the car's onboard diagnostic system and indicates that there may be a problem with the engine or emission control system.

When the check engine light, or "teapot light," comes on, it means that the car's computer has detected an issue that needs to be addressed. The light may illuminate continuously or flash, depending on the severity of the problem. A continuously illuminated light typically indicates a less urgent issue, while a flashing light usually signifies a more serious problem that requires immediate attention.

It's important to note that the check engine light can come on for a wide range of reasons, some of which may be minor and others more serious. Common causes include loose or faulty gas caps, oxygen sensor issues, and problems with the catalytic converter. In some cases, the light may even illuminate due to a temporary glitch in the system that resolves itself after a few driving cycles.

If your check engine light comes on, it's a good idea to have your vehicle checked out by a qualified mechanic as soon as possible. They can use diagnostic tools to read the car's computer codes and determine the underlying cause of the issue. While it may be tempting to ignore the light, doing so could potentially lead to more serious problems and costlier repairs down the road.

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