The check-engine light is the one car owners hate most. Usually, this warning is in the shape of a silhouetted engine, though sometimes it's an even harder to miss all-caps "CHECK ENGINE" message. Alternatively, a clogged air filter not letting enough air through will trigger a warning that the engine is being forced to run ‘rich’. Whether the signal given by the mass airflow sensor is When your Check Engine Light is on it means your car has identified a problem with the engine or transmission. There are over 1000 problems that can trigger a check engine light. Some are minor like a loose gas cap. Some, like an engine misfire, are more serious and can cause engine failure and/or damage. Modern vehicles have an internal system that re-regulates high-octane fuel. The check engine light may indicate that the engine is adjusting to the new gas. Once it has been set to a stable level, the light will turn off. However, make sure you drive around to burn off the wrong gas type and fill the tank with the correct fuel at your next stop. Dịch Vụ Hỗ Trợ Vay Tiền Nhanh 1s.

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