Auto Systems and Repair
Fuel Filter
The fuel filter removes contaminants from the fuel, which helps prevent damage to the fuel system components.
Symptoms of Wear or Failure
- Engine may run lean
- Check Engine Light may illuminate
- Lack of engine power
- Fuel leak
Related Repair Advice
- Many manufacturers don't specify a replacement interval, but it's wise to replace the fuel filter every 30,000 miles
- We recommend using high-quality fuel filters to keep contaminants out of the fuel system
- Infrequent fuel filter changes can lead to potentially expensive problems with the fuel pump and/or injectors
- When replacing a fuel filter, the shop should also replace any associated washers or seals to prevent leaks in the fuel system
- Many newer vehicles have only an in-tank filter, which is not serviced during routine maintenance
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