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What does it mean when the engine yellow light is on?

1 Answers

MorganRose

07/25/25 12:53am

When the engine yellow light is on, it indicates a problem with the car's engine. Reasons for the engine warning light to illuminate: 1. Dirty engine cylinder interior with carbon deposits: Over time, the engine interior inevitably accumulates some carbon deposits. These deposits can cause uneven ignition, leading to engine knocking; 2. Poor combustion state: A poor combustion state in the engine is one of the main reasons for the engine warning light to come on; 3. Poor fuel quality: The engine has specific requirements for fuel quality. Some gas stations may not fully comply with the standards required for high-performance engines, leading to frequent occurrences of the engine warning light illuminating.

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