What causes the yellow engine light to come on in the Excelle?

1 Answers
DiTanner
07/30/25 6:19am
The reasons for the yellow engine light coming on in the Excelle are: 1. Poor fuel quality; 2. Engine knocking or detonation; 3. Damaged sensor components; 4. Engine carbon buildup. The Excelle is a compact car under the SAIC-GM Buick brand. Taking the 2021 Buick Excelle as an example, it features a 4-door, 5-seater 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.
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