What causes the yellow engine light on the Buick Excelle dashboard?

1 Answers
FelixLynn
07/29/25 7:28pm
The yellow engine light on the Buick Excelle dashboard may be caused by: 1. Poor fuel quality; 2. Engine knocking or detonation; 3. Damaged sensor components; 4. Engine carbon buildup. Taking the 2021 Buick Excelle as an example, it features a 4-door, 5-seat sedan body structure with dimensions of 4609mm in length, 1798mm in width, and 1486mm in height, a wheelbase of 2640mm, and a fuel tank capacity of 44 liters. The 2021 Buick Excelle is equipped with a 1.3T turbocharged engine delivering a maximum horsepower of 163PS and a maximum power of 120kW, paired with a 6-speed automatic transmission.
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