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What does it mean when the yellow wrench light on the dashboard comes on?

1 Answers

SanLucy

07/29/25 11:01pm

When the yellow wrench light appears on the car dashboard, it indicates an engine malfunction. The illumination of the engine warning light signifies an issue with the engine. There are several reasons why the engine warning light may come on: 1. Deterioration in the quality of vehicle exhaust emissions. 2. Engine oil consumption. 3. Severe carbon buildup. 4. Poor engine combustion state. 5. Engine knocking, among others. The illumination of the engine warning light may be accompanied by the following problems: 1. Deterioration in vehicle exhaust emission quality, causing environmental pollution. 2. Increased fuel consumption. 3. Elevated combustion chamber temperature and accelerated wear. 4. Engine oil consumption. 5. Increased engine noise, affecting ride comfort.

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