How To Clean Gummed Up Fuel Lines

How to Clean Gummed Up Fuel Lines

If you are experiencing problems with your engine such as stalling, hesitation or poor performance, it may be due to gummed up fuel lines. This is a common problem that can be easily fixed by following a few simple steps.

What Causes Fuel Lines to Become Gummed Up?

Over time, fuel can leave behind a residue that builds up on the walls of the fuel lines. This residue can clog the fuel lines and prevent the proper amount of fuel from reaching the engine. This can cause a variety of problems, including reduced engine performance and fuel efficiency.

How to Clean Gummed Up Fuel Lines

The following steps will help you to clean gummed up fuel lines:

  1. Remove the fuel lines from the engine.
  2. Flush the fuel lines with a cleaning solution that is designed to remove fuel residue. This solution is available at most auto parts stores.
  3. After flushing the fuel lines, blow them out with compressed air to remove any remaining residue.
  4. Reinstall the fuel lines and test the engine to ensure that it is running smoothly.


Q: Can I clean gummed up fuel lines myself?

A: Yes, cleaning gummed up fuel lines is a relatively easy process that can be done by most car owners.

Q: How often should I clean my fuel lines?

A: It is recommended that you clean your fuel lines at least once a year to prevent buildup from occurring.

Q: Are there any warning signs that my fuel lines may be gummed up?

A: Yes, some warning signs include stalling, hesitation or poor engine performance.


Cleaning gummed up fuel lines is an important part of maintaining your engine’s performance and fuel efficiency. By following the simple steps outlined above, you can easily clean your fuel lines and keep your engine running smoothly.