What are the reasons for the Buick engine light to come on?

1 Answers
DaisyLee
07/30/25 2:31am
Buick engine light comes on due to: 1. Poor gasoline quality leading to incomplete combustion of the air-fuel mixture in the cylinders, resulting in carbon deposits; 2. Excessive engine mileage causing weakened spark plug performance; 3. Aging vehicle mechanics; 4. Damaged, poor contact, or signal interruption in coolant temperature, crankshaft position, air flow, intake temperature, or oxygen sensors. The hazards of an illuminated engine light are: 1. Deterioration in vehicle exhaust quality, polluting the environment; 2. Increased combustion chamber temperature and accelerated wear, leading to premature engine damage; 3. Engine oil consumption; 4. Increased engine noise, affecting driving and passenger comfort.
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