What are the symptoms of using bad gasoline?

[LeVincent]

Symptoms of using bad gasoline include: at best, loss of vehicle power, making the car lack power; at worst, engine knocking, cylinder scuffing, and ultimately engine failure. Gasoline can be classified into different types based on its source: straight-run gasoline, catalytic cracking gasoline, thermal cracking gasoline, reforming gasoline, coking gasoline, alkylation gasoline, isomerization gasoline, aromatization gasoline, etherification gasoline, and polymerization gasoline. The working principle of the gasoline supply system is as follows: the fuel pump draws diesel from the fuel tank, filters out impurities through the filter, and then enters the low-pressure oil chamber of the injection pump. After increasing the fuel pressure, it is delivered to the injector through the high-pressure fuel pipe. The injector sprays the fuel into the combustion chamber in a mist form, forming a mixture that burns and performs work. Finally, the exhaust system discharges the waste gas into the atmosphere.