What parts are cleaned during a fuel system cleaning?

1 Answers
ElliotMarie
07/29/25 5:17pm
Fuel system cleaning involves cleaning the engine oil passages and fuel lines. Here are the relevant details: 1. Consequences of not cleaning: Fuel itself contains gums, impurities, dust, moisture, etc., which accumulate over time in the fuel tank, fuel inlet pipes, and other areas, forming sludge and deposits. Prolonged neglect can lead to blockages. The consequences of not cleaning the fuel system for an extended period include carbon deposits and buildup clogging the injector needle valves and valve orifices, affecting the performance of the precision components in the injection system. This can result in poor fuel injection, inadequate atomization, and reduced power performance. 2. Cleaning methods: The simplest method is to directly add a fuel system cleaner to the fuel tank. However, this method does not provide long-lasting effects, and the cleaning is not thorough. It is suitable for vehicles with lower mileage.
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