One the the worst difficulties that can happen to a automobile is a poor fuel pump. If your Ford Explorer’s fuel pump walk bad, no fuel (or not sufficient fuel depending on whether or no it’s out all the way) can get in the engine. There is no gas your traveler will no run in ~ all. V that in mind, most of the symptoms that a poor fuel pump revolve roughly the vehicle stalling the end or no running in ~ all.

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In contemporary fuel injected vehicles, the fuel pump sits appropriate in the fuel tank and also “pushes” the petrol to the fuel rail(s). The is in the fuel tank due to the fact that “pushing” fuel to the fuel rail is easier than “pulling” the fuel, which is what an inline pump would do. While being in the fuel tank renders the pump much more reliable, it likewise makes that a lot of more complicated to acquire to.

The an excellent news is the fuel pumps are 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 signs that you deserve to feel once your Explorer’s fuel pump is going out. Before taking anything apart, inspect to check out if her engine’s computer has any trouble codes conserved in it.

The engine might throw a P0087 trouble code. This trouble code detects the the fuel rail/system press is also low. Any trouble codes that exist might be a clue.

Sometimes as soon as there is short fuel pressure, girlfriend may additionally get one oxygen sensor connected trouble password as well. The real problem with diagnosing a bad fuel pump is that it resembles plenty of other vehicular issues in terms of symptoms. Also, the symptom are nearly exactly the very same as bad/clogged fuel filter.

Here space the most common symptoms of a bad fuel pump in her Ford Explorer:

Whining Noise

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

Sputtering Under Acceleration

The only way that you are going to understand that her Explorer’s fuel pump is going the end is the it is no much longer providing sufficient fuel pressure to save the engine running under a hefty load, or at high-speed. Typically, if you are heading up a hill (or accelerating) the engine might start come feel choose it is simply running out of steam. That’s what it feels like with a bad fuel pump.

Now, a bad fuel pump can also feel a heck of a lot choose a negative catalytic converter. Both conditions will do the motor feel like it is running the end of wind when you fight the gas. A bad catalytic converter will certainly not feel together jarring. It’s a smooth lack of power. If you space unsure, examine out this short article on troubleshooting catalytic converters. If you acquire P0420 or P0430 problem codes with a scanner, it an extremely well might be the catalytic converter bring about these symptoms.

Challenges starting the Engine

One of the ideal indicators that a clogged fuel pump is going come be that the your explorer is complicated to start. This due to the fact that there’s not sufficient fuel push to correctly atomize the fuel together it enters the burning chamber.

If your explorer is challenging to start, a bad fuel pump would more than likely not be the ar to begin looking, especially if you are’t acquiring a fuel associated trouble code.

Instead, we’d recommend taking a look at the ignition mechanism first. Often it’ll be poor spark plugs, or a negative coil pack.

Engine Won’t Start

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

At the most basic of levels your Ford traveler needs three points to start: Air, fuel, and also spark. If any type of of these points aren’t present, the engine won’t turn over in ~ all. If there’s been zero warning that the fuel pump might be going bad (hesitation, challenge starting, etc) climate it need to not be immediately assumed that the fuel pump is at fault.

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


It Could additionally be your Explorer’s Fuel Filter

A fuel pump the is going out is walk to feel the exact same as a negative fuel filter. This provides telling if you have actually a poor fuel pump vs negative fuel filter an extremely challenging.

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

They are both going to cause the same hesitation at high speed and an obstacle starting. The only way to important tell is to place a fuel push gauge top top both political parties of the line and get a analysis from both.

If your automobile isn’t starting at all, and you listen the fuel pump prime that is usually a good indication the the pump is functioning to some capacity. Trial and error your Explorer’s fuel press on each side the the pump would certainly be the best method to diagnose this problem.

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A priming fuel pump sounds choose a high-pitched whine for a few seconds and can be heard v a sharp engine right after the ignition an essential is turned, but prior to the starter is engaged.

Conclusion: Ford Explorer negative Fuel Pump

The symptom of a poor fuel pump complement a lot of other typical problems the can occur in the Ford Explorer. Experimentation the pump and also pressure on each side the it space going to be the quickest means to ascendancy it out. If there is anything you would like to add, please leave a comment below. An excellent luck!