How to Deal with Engine Malfunction Light Caused by Poor Fuel Quality

[ColtonLynn]

Methods for handling engine malfunction light caused by poor fuel quality: First, replace with qualified gasoline of the correct grade, then clean the engine fuel system, including the catalytic converter and oxygen sensor, and finally clear the engine fault code. It is recommended to promptly visit a 4S dealership for resolution. If poor fuel quality triggers the engine light, all the substandard fuel can be drained and replaced with high-quality fuel. In some vehicles, the engine malfunction light may automatically turn off after approximately half a minute of operation. Fuel quality is a primary cause of the engine malfunction light illuminating. The anti-knock property of gasoline is indicated by its octane rating—the higher the octane number, the better the anti-knock performance.