Symptoms of Bad Fuel Tank Selector Valve

What are the symptoms of bad fuel tank selector valve? The fuel tank selector valve is an intelligent part of any car. It gives the driver the option of selecting which tank to utilize and safeguards against fuel leakage in the event of a collision. Therefore, any issue with the fuel tank selector valve impacts fuel distribution.

You can face different problems due to a faulty fuel tank selector valve. The apparent symptoms of a malfunctioning fuel tank selection valve include having no fuel in the second tank and a tank that is overfilled with fuel. Particular owners have also reported a non-responsive selecting valve during the start.

In this article, I’m going to highlight some of the often symptoms of a faulty fuel tank selector valve. I’ll also guide you through some effective methods to resolve those issues. So, let’s explore this article to know the symptoms and resolve them.

What Is Fuel Tank Selector Valve, and how does it work?

A fuel tank selector valve is a part of an automobile that controls the flow of gasoline from the fuel tanks to the engine is a fuel selection valve. It is often found close to the engine and allows you to choose from which tank the fuel will flow. If you wish to swap between different fuel tanks as well as have several of them, this will be really helpful.

This valve’s operating system is really straightforward. There are two different kinds of valves, three and six ports. Both tanks are connected by all of these ports and valves. To manage the flow of fuel between the tanks, the valve selector is connected to a switch on the automobile. You may control which tank’s gasoline the engine uses to run by pushing the switch.

Symptoms of bad fuel tank selector valve

It’s critical to be knowledgeable of the warning signals of a broken fuel tank selection valve. Below are the most common symptoms of a bad fuel tank selector valve that can help you identify the fault of the fuel tank selector valve.

Symptoms-01: Malfunctioning Fuel Tank

Malfunctioning Fuel Tank or improper fuel tank function is the first and foremost Symptom of a bad fuel tank selector valve. This issue frequently happens with old cars, or if you buy a second-hand car, then you can face this issue. This problem generally occurs for the connection problem of the valve selector.

Symptoms-02: Only One Tank Operational

Another common symptom of a bad fuel tank selector valve is Only One Tank is operational, but others are not operating. The switch cannot operate effectively while the selector is malfunctioning. As a result of this, one tank continues to function while the other does not.

Sometimes you can also discover that the primary fuel tank is overflowing. If the valve switch isn’t properly closed, fuel will continue to flow. A sufficient amount of oil in the secondary tank is not bypassed by clogged valves. In that situation, there can be too much oil, causing the tank to overflow.

Read more articles on engine oil

Symptoms-03: Fuel Circulation Problem 

For a bad fuel tank selector valve, owners also struggle with inadequate fuel circulation difficulties in addition to concerns with non-functioning fuel tanks. A faulty selector valve might lead to malfunction of the switch and also back tank blockage. As a result of this, fuel will not be able to go through the front fuel tank, which will lead Fuel circulation problem.

Symptoms-04: Uneven response during start

The last Symptom of a bad fuel tank selector valve is an uneven response or no response during start. Sometimes, especially when starting, it requires a while to respond. It is a sign that a valve is malfunctioning.

How To Resolve Faulty Fuel Tank Selector Valve?

Let’s explore some of the effective methods to resolve a faulty Fuel Tank Selector Valve. You can make the faulty Fuel Tank Selector Valve operate like new by employing these methods.

Method-01: Resolve clogged and broken wires issues

If you discover a fuel circulation problem, it could be due to clogged valves or loosened or broken wires. Inspect whether or not the valves, as well as the filter, are clogged. The best remedy for blocked valves is to cleanse them in order to unblock them. Examine the valve’s wiring. Tighten any wires you see are in any way becoming loose. You should fix any damaged wiring.

Method-02: Check the Connection

If you feel that the fuel tank selector valve is not working properly or malfunctioning, then it could be due to a problem in its connection. So, all you have to do is check the connection whether disconnected. If you find it disconnected, reconnect the Fuel Tank Selector Valve.

Method-03: Replace the valve

If you discover that the selector valve is not responding during the start, then you should replace the selector valve with a new one. It is not really very expensive to replace the selector valve; even you can replace it with a new one!

How much does it cost to replace Fuel Tank Selector Valve?

Is replacing a faulty fuel tank selector valve costly? No! It is not really so expensive to replace a faulty fuel tank selector valve compared to the others part of a car. And the cost of replacing a faulty fuel tank selector valve mainly depends on the fuel tank selector valve cost plus labor cost.

A new fuel tank selector valve will cost you around $30 to $180. On the other hand, the expert labor will charge you $20 to $30 to install the fuel tank selector valve. So, the ultimate cost of replacing a fuel tank selector valve will range around $50 to $200 on average.

Wrap Up

In conclusion, Fuel tank selector valve issues can be triggered by poor maintenance as well as improper fueling. Here I highlighted the most often symptoms of bad fuel tank selector valves. I also discussed some effective procedures to resolve a faulty fuel tank selector valve. So, this article may help you a lot to understand the fault of the fuel tank selector valve as well as resolve it.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top