Fuel injectors should be cleaned every 30,000 to 50,000 miles or as needed. The frequency of cleaning or replacement depends on various factors such as the quality of fuel used, driving conditions, and the age of the vehicle.

Cleaning fuel injector is relatively straightforward. If you have knowledge of auto mechanics and complete tools, you can refer to our blog of The Must-Know Guide to Fuel Injector Cleaning. If you still feel confused, please ask for professional assistance.

· Clogging

· Wear & Tear

· Electrical Problems

· Fuel Pressure Issues

· Fuel Contamination

· Poor Maintenance

You may need to replace the fuel injector if:

· Engine Misfires

· Decreased Fuel Efficiency

· Engine Hesitates or Stalls

· Poor Engine Performance

· Increased Emissions

· Poor Maintenance

· Engine Runs Rough or Has a Rough Idle

Certainly, it is best to consult a professional mechanic to diagnose the issue and determine if it is necessary to replace the fuel injector.

Yes, poor fuels often contain more dirt, debris, water, and other contaminants, which can clog the fuel injectors over time. And they may lack some detergents and additives, leading to deposit buildup on the fuel injector and reduce its ability to properly atomize the fuel.