Why does the Sagitar's exhaust system warning light stay on?

[JohnnyRose]

Sagitar's exhaust system warning light staying on can be caused by many reasons. The specific reasons are analyzed as follows: 1. Poor fuel quality: The engine has requirements for fuel quality indicators. As regulations on engines become increasingly stringent, the requirements for fuel quality indicators also become higher. 2. Carbon deposits inside the cylinders: Carbon itself can cause changes in the engine's design parameters. At the same time, its unstable nature and heat accumulation can lead to disordered ignition in the engine, causing engine knocking, which in turn triggers the engine warning light. 3. Excessive engine mileage: Weakened performance of spark plugs can cause this light to illuminate. 4. The vehicle is too old: Mechanical aging leads to poor engine conditions, resulting in poor combustion and ignition, which causes this light to turn on.