One the the worst difficulties that can occur to her Ford Explorer is a poor fuel filter. As soon as the filter goes bad, it deserve to limit the amount of fuel that enters the engine. There is no fuel, the auto will not run at all. V that in mind, many of the symptoms of a bad fuel filter revolve about the car stalling out.

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Fuel filters have been making a rearward progression for the last 50 years, literally. Because that a lengthy time, you’d discover it under the hood. It looked favor a tiny pill, and also it would certainly be quick and also easy to replace. This remained in the era the carbureted vehicles.

Things started to adjust in the 80’s. Fuel injection requires greater fuel pressure. Greater fuel press meant the a more robust fuel filter would be required. This expected the fuel filter was no much longer left under the hood. That was placed in the steel fuel line, between the gas tank and also engine bay.

These fuel filters were much more reliable, yet they also were tougher come change. Repairing them way getting under the vehicle and disconnecting stole fittings. It really still isn’t that challenging to transaction with, as lengthy as you offer the automobile a couple of minutes because that the fuel press to go down.

The an excellent news is, no matter just how old your explorer 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 of a bad Fuel Filter: Ford Explorer

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Typical Fuel Filter

There are physical signs that you have the right to feel when your Explorer’s fuel filter is clogging. Prior to taking anything apart, check to see if her engines computer system has any trouble codes saved in it.

The engine may throw a P0087 trouble code. This trouble password detects the the fuel rail/system push is also low. Any kind of trouble codes that exist could be a clue. Sometimes when there is low fuel pressure, friend may additionally get one oxygen sensor associated trouble password as well. The real problem with diagnosing a poor fuel filter is that it resembles numerous other vehicular worries in terms of symptoms.

Here room the most typical symptoms of a negative fuel filter in your Ford Explorer:

Sputtering Under Load

The only means that you space going to understand that her Explorer’s fuel filter may be going the end is the it is no much longer letting enough fuel with to save the engine running under a hefty load, or in ~ high-speed. Typically, if you room heading up a hill (or accelerating) the engine might start to feel like it is just running out of steam. That’s what it feels choose with a poor fuel filter.

Now, a negative fuel filter can likewise feel a hell of a lot choose a bad catalytic converter. Both problems will make the engine feel choose it is running the end of wind once you hit the gas. A poor catalytic converter will not feel together jarring. It’s a smooth absence of power. If you room unsure, examine out this article on troubleshooting catalytic converters. If you acquire P0420 or P0430 problem codes through a scanner, it very well may be the catalytic converter resulting in these symptoms.

Hard to begin Engine

One of the best indicators of a clogged fuel filter is going come be that the your traveler is an overwhelming to start. This because there’s not sufficient fuel pressure to correctly atomize the fuel as it enters the burning chamber.

If your auto is difficult to start, a clogged fuel filter would most likely not be the place to begin looking, especially if you are gaining no trouble code for fuel press or the oxygen sensors.

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

Engine not Starting

If the fuel filter has become so contaminated that the minimum lot of fuel has not to be let with it, the engine won’t begin at all.

At the most simple of levels your Ford explorer needs three points to start: Air, fuel, and 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 filter could be going negative (hesitation, challenge starting, etc) than a clogged fuel filter might not be the place to start. It can certainly cause the problem though.

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

It Could likewise be your Explorer’s Fuel Pump

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

How perform you tell lock apart? A clogged fuel filter will have actually high press on its intake side and also low pressure on its output side. They space both walk to reason the exact same hesitation at high speed and an obstacle starting. The only means to truly tell is to ar a fuel pressure gauge top top both political parties of the line and get a reading from both.

If your car isn’t starting at all, and you hear the fuel pump prime that is usually a great indication that the pump is functioning to part capacity. Testing your Explorer’s fuel push on every side of the pump would certainly be the best way 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 can it is in heard with a spicy engine best after the ignition vital is turned, but before the starter is engaged.

Conclusion: Ford Explorer negative Fuel Pump

The symptoms of a negative fuel pump complement a many other common problems the can occur in the Ford Explorer. Experimentation the filter and also pressure on every side that it room going to be the quickest methods to dominance it out. If there is anything girlfriend would prefer to add, please leave a comment below. An excellent luck!