What are the reasons for the engine's long-term yellow warning light?

1 Answers
LeEverett
07/29/25 4:50pm
Engine long-term yellow warning light reasons are: 1. Sensor damage, poor contact, or signal interruption; 2. Poor engine maintenance; 3. Poor quality of fuel and engine oil; 4. Incomplete combustion of the air-fuel mixture; 5. Spark plug or ignition coil failure; 6. Fuel pump failure, fuel line blockage; 7. Air filter clogging. Solutions for the engine long-term yellow warning light: 1. Use fuel additives to clean the entire fuel system; 2. After engine cleaning, use higher-grade gasoline; 3. Use high-quality fuel additives to improve fuel cleanliness; 4. Replace the catalytic converter.
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