One of the worst problems that can happen to a auto is a poor fuel pump. If your Ford Explorer’s fuel pump go bad, no fuel (or not enough fuel relying on whether or no it’s the end all the way) can get in the engine. There is no gas your traveler will no run at all. Through that in mind, many of the symptoms the a negative fuel pump revolve about the vehicle stalling the end or not running in ~ all.

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In modern fuel injected vehicles, the fuel pump sits best in the fuel tank and also “pushes” the gasoline to the fuel rail(s). The is in the fuel tank since “pushing” fuel come the fuel rail is less complicated than “pulling” the fuel, which is what one inline pump would certainly do. While being in the fuel tank renders the pump an ext reliable, it also makes the a lot of more challenging to obtain to.

The good news is that fuel pumps space inexpensive. The bad news is the they expense a lot of in regards to labor come repair and replace.

Ford Explorer bad Fuel Pump Symptoms


There room physical indicators that you have the right to feel once your Explorer’s fuel pump is walking out. Before taking something apart, check to check out if your engine’s computer has any type of trouble codes conserved in it.

The engine might throw a P0087 trouble code. This trouble password detects the the fuel rail/system push is too low. Any kind of trouble codes that exist might be a clue.

Sometimes when there is short fuel pressure, you may additionally get an oxygen sensor connected trouble password as well. The real concern with diagnosing a negative fuel pump is the it resembles plenty of other vehicular issues in regards to symptoms. Also, the symptom are virtually exactly the same as bad/clogged fuel filter.

Here room the most typical symptoms that a bad fuel pump in your Ford Explorer:

Whining Noise

One that the most common signs that a fuel pump is going negative is a whining sound. The whining sound have the right to indicate the the fuel pump is going out prior to there are any kind of performance based issues. Maintaining an open ear can save friend from acquiring stuck somewhere through a poor fuel pump. It’ll sound favor a short frequency buzzing sound.

Sputtering Under Acceleration

The only way that you room going to know that your Explorer’s fuel pump is going out is that it is no longer providing sufficient fuel push to keep the engine to run under a heavy load, or at high-speed. Typically, if you are heading up a hill (or accelerating) the engine may start come feel like it is just running the end of steam. That’s what that feels like with a bad fuel pump.

Now, a poor fuel pump can additionally feel a hell of a lot like a poor catalytic converter. Both problems will make the engine feel prefer it is running out of wind once you hit the gas. A bad catalytic converter will not feel together jarring. It’s a smooth lack of power. If you are unsure, check out this short article on troubleshooting catalytic converters. If you acquire P0420 or P0430 trouble codes through a scanner, it really well may be the catalytic converter leading to these symptoms.

Challenges beginning the Engine

One the the finest indicators the a clogged fuel pump is going come be the the your traveler is challenging to start. This because there’s not sufficient fuel pressure to appropriately atomize the fuel as it beginning the combustion chamber.

If your explorer is complicated to start, a negative fuel pump would most likely not it is in the location to begin looking, especially if you are’t obtaining a fuel related trouble code.

Instead, we’d recommend acquisition a look at the ignition device first. Regularly it’ll be poor spark plugs, or a negative coil pack.

Engine Won’t Start

If the fuel pump has fully failed, the engine won’t start at all.

At the most simple of levels her Ford traveler needs three things to start: Air, fuel, and spark. If any of these points aren’t present, the engine won’t revolve over at all. If there’s to be zero warning that the fuel pump might be going negative (hesitation, difficulty starting, etc) then it have to not be instantly assumed that the fuel pump is at fault.

Here’s a good youtube video on just how to test a fuel filter:


It Could also be her Explorer’s Fuel Filter

A fuel pump the is going the end is walk to feel the same as a bad fuel filter. This makes telling if you have a bad fuel pump vs poor fuel filter an extremely challenging.

How perform you tell castle apart? A clogged fuel filter will have actually high press on its entry side and low pressure on its calculation side. A poor fuel pump will have actually low press on both sides.

They are both walking to reason the very same hesitation in ~ high speed and difficulty starting. The only way to important tell is to ar a fuel push gauge top top both sides of the line and get a analysis from both.

If your auto isn’t starting at all, and you listen the fuel pump prime the is usually a good indication the the pump is working to part capacity. Experimentation your Explorer’s fuel pressure on each side of the pump would be the best method to diagnose this problem.

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A priming fuel pump sounds prefer a high-pitched whine because that a couple of seconds and also can it is in heard with a sharp engine ideal after the ignition vital is turned, but before the starter is engaged.

Conclusion: Ford Explorer poor Fuel Pump

The symptoms of a negative fuel pump complement a most other usual problems that can happen in the Ford Explorer. Experimentation the pump and pressure on each side of it space going to it is in the quickest methods to dominion it out. If there is anything friend would like to add, please leaving a comment below. Great luck!