One the the worst troubles that can happen to your Ford expedition is a poor fuel filter. As soon as the filter walk bad, it can limit the quantity of fuel the enters the engine. Without fuel, the car will not run in ~ all. V that in mind, many of the symptoms of a bad fuel filter revolve approximately the vehicle stalling out.

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Fuel filters have been making a rearward progression for the last 50 years, literally. For a long time, you’d uncover it under the hood. The looked like a little pill, and it would certainly be quick and easy to replace. This remained in the era the carbureted vehicles.

Things began to readjust in the 80’s. Fuel injection requires greater fuel pressure. Higher fuel press meant the a much more robust fuel filter would certainly be required. This supposed the fuel filter to be no much longer left under the hood. It was put in the stole fuel line, in between the gas tank and also engine bay.

These fuel filters were more reliable, however they also were tougher come change. Repairing them method getting under the vehicle and also disconnecting stole fittings. It yes, really still isn’t that daunting to deal with, as long as you offer the automobile a couple of minutes for the fuel pressure to go down.

The good news is, no matter exactly how old your expedition is, the symptom of a bad fuel filter space universal. The doesn’t issue if it’s in-tank or in-line. And, fuel filters are cheap.

Signs the a bad Fuel Filter: Ford expedition

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Typical Fuel Filter

There room physical indications that you have the right to feel once your expedition ‘s fuel filter is clogging. Prior to taking anything apart, check to view if her engines computer system has any kind of trouble codes conserved in it.

The engine might throw a P0087 trouble code. This trouble password detects the the fuel rail/system press is also low. Any type of trouble codes the exist might be a clue. Sometimes when there is low fuel pressure, girlfriend may likewise get one oxygen sensor connected trouble code as well. The real concern with diagnosing a negative fuel filter is the it resembles many other vehicular issues in regards to symptoms.

Here room the most common symptoms the a poor fuel filter in your Ford exploration :

Sputtering Under Load

The only means that you space going to know that your expedition ‘s fuel filter may be going the end is the it is no much longer letting enough fuel v to store the engine to run under a hefty load, or in ~ high-speed. Typically, if you are heading increase a hill (or accelerating) the engine may start to feel prefer it is simply running the end of steam. That’s what it feels prefer with a poor fuel filter.

Now, a poor fuel filter can additionally feel a hell of a lot like a negative catalytic converter. Both conditions will make the motor feel favor 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 room unsure, inspect out this article on troubleshooting catalytic converters. If you get P0420 or P0430 trouble codes through a scanner, it really well might be the catalytic converter causing these symptoms.

Hard to start Engine

One that the ideal indicators of a clogged fuel filter is going come be the the your exploration is challenging to start. This due to the fact that there’s not enough fuel press to appropriately atomize the fuel together it start the combustion chamber.

If your vehicle is complicated to start, a clogged fuel filter would probably not it is in the location to begin looking, especially if you are obtaining no trouble password for fuel push or the oxygen sensors.

Instead, we’d recommend acquisition a look in ~ the ignition system first. Often it’ll be bad spark plugs, or a negative coil pack.

Engine no Starting

If the fuel filter has come to be so contaminated that the minimum amount of fuel has not to be let through it, the engine won’t start at all.

At the most an easy of levels your Ford exploration needs three points to start: Air, fuel, and spark. If any type of of these points aren’t present, the engine won’t revolve over in ~ all. If there’s been zero warning that the fuel filter could be going poor (hesitation, difficulty starting, etc) 보다 a clogged fuel filter could not be the ar to start. It might certainly reason the difficulty though.

Here’s a good video on making use of your eye to diagnose the fuel filter:

It Could likewise be Your exploration ‘s Fuel Pump

A fuel pump the is going out is walk to feel the same as a bad fuel filter. This makes telling if you have a bad fuel pump vs bad fuel filter very challenging.

How do you tell castle apart? A clogged fuel filter will have high pressure on its entry side and also low pressure on its output side. They space both walk to cause the same hesitation in ~ high rate and difficulty starting. The only method to truly tell is to ar a fuel press gauge ~ above both sides of the line and also get a analysis from both.

If your car isn’t starting at all, and also you hear the fuel pump prime that is usually a good indication that the pump is working to some capacity. Experimentation your expedition ‘s fuel pressure on each side the the pump would certainly be the best way to diagnose this problem.

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A priming fuel pump sounds choose a high-pitched whine because that a couple of seconds and can be heard with a spicy engine appropriate after the ignition vital is turned, but prior to the starter is engaged.

Conclusion: Ford Expedition negative Fuel Pump

The symptoms of a bad fuel pump enhance a lot of other typical problems the can happen in the Ford expedition . Experimentation the filter and also pressure on each side the it are going to be the quickest means to rule it out. If there is anything friend would favor to add, please leave a comment below. Good luck!