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Spring cleaning your vehicle: Clean the fuel tank

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Fuel Systems How to Technical Tip 1 min read

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In this article you will find a step-by-step guide to cleaning the fuel tank.

Previously, we talked about the benefits of a clean EGR valve to the engine and the environment. This week, we take a look at how important a clean gas tank is for your fuel system and especially for the fuel pump delivering fuel to the engine. Here is another cleaning tip that can help give your vehicle a fresh start by making sure the fuel from the tank to the engine is as clean as possible.

Clean the fuel tank

Not all fuel is clean. Sometimes fuel can contain contamination and / or debris (i.e. sand, water, etc.) from where it was purchased due to the gas station’s underground storage tanks containing debris. Contamination in fuel can also come from build-up in your fuel filter and / or fuel rail where the fuel injectors are located in the engine compartment. A deep clean of the fuel tank may be just what your fuel injection system needs, especially if you are planning on installing a replacement fuel pump anytime soon! 

Symptoms of a vehicle with bad gas are:

  • Noisy / rough idle
  • Lower fuel economy
  • Higher emissions
  • Difficulty starting                                    
  • Stalling
  • Engine surging or hesitating on acceleration
  • Check Engine Light

Follow the step-by-step below from our Clean The Tank initiative. 

Step by step on how to clean the tank

 

The Delphi Difference

At Delphi, we know the importance of every vehicle’s technology and encourage regular maintenance for optimal performance, economy, and longevity. As we clean our house and open the windows in anticipation of the fresh spring air, we can do the same for our vehicle by checking some important, and sometimes overlooked, automotive parts. If an automotive part is beyond repair, consider replacing it with Delphi OE standard aftermarket parts to start off the season fresh as new.

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What's wrong with my fuel gauge? Diagnosing a bad fuel sending unit

The most common problem that causes the fuel gauge to read incorrectly is a bad fuel sending unit. The fuel sending unit is used to measure the amount of fuel in the fuel tank and communicate the fuel level to the fuel gauge on the vehicle dashboard. This ensures that the driver is aware of the fuel level at all times, as well as warn when the vehicle is low on fuel, and when to visit a gas station before the tank is completely empty. If something happens to the fuel sending unit, the fuel gauge is the first to show it, so let’s take a look at how the two work together.
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