Failed self bunded diesel fuel tank can be very costly over the long term because it will eventually cause you to replace your fuel pump. If your car right now gets you 20 miles to the gallon, doing the math here this means that there’d be around 5,000 that will go through your tank and that is in about 100,000 miles.
It is wrong to think that this is okay because, during that time, foreign particles are likely to find their way into your tanks such as debris, rust, and sediment. Removing them is critical, though. One available option for this kind of scenario is to have your tank steam-cleaned.
Reputable radiator shops can carry out that kind of service if they have one on offer. What they will do first is recondition your bunded diesel fuel tank and see to it that there are no leaks. One that you will find hard to spot on your own. Ultimately, the end goal you should have in cleaning your fuel tank is the restoration of the environment inside your fuel tank, back to the same state and condition it was in before putting fuel in before driving off the assembly line.
If you are among the thousands of people who are under the impression that your new strainer or sock on your fuel pump is enough to catch out all the bad stuff, then all of you are dead wrong on this. It is typical for a strainer or sock to be designed for catching contaminates, but they are highly effective only in particles that are about 50-100 microns in diameter. For comparison purposes just so you have a how tiny they are, let us compare them to the human hair which is about 40 microns. Due to the small surface area that they usually come in, the sock consequently comes only with a limited capacity.
Make it a habit to have a new filter installed. It may sound like a pretty simple thing to do, but most often than not this is forgotten by many. As time runs on your filter, it gets older and this could hinder flow, rendering your pump to work double time. This makes your pump forcibly run even on a higher temperature. Sooner or later, this would cause it to fail.
The best practice that you can observe here is to filter your filter first before you even try to put them into your self bunded diesel fuel tank.
If there is a full meltdown for your fuel pump, there is a good possibility that pieces and fragments of your old pump remain in the removed fuel. So, therefore, it makes sense that you filter your fuel first before you put them back in your tank. There are a handful of fuel caddies that come with built-in filters. You may want to check them out for this.
So, what other things you need to look out for that can kill your new fuel tank pump? Bad grounds and connections may also bring about the same thing to your pump. For this, you will need to check out your connector and try to look for any visible signs of thermal damage. They indicate that there has been a voltage drop before. It is also a positive sign that there has been a circuit with high resistance.
Do not allow yourself to get into the habit of making assumptions that it is always your old pump that brought about the thermal damage that you are seeing. Bad circuits and grounds are about to stay and remain with the vehicle, inducing a measurable amount of damage to your new pump.
It is also of prime importance that you assess the EVAP system. Most vehicles would require 1 drive cycle for this and only after that will it allow you to set up an EVAP code. A leak brought about by a disturbing line may keep it from setting a code while the initial test drive is ongoing. It may come after some time that your vehicle remained sitting for a while or at that point when its temperature has subsided.