One that the worst difficulties that can occur to your Hyundai Santa Fe is a bad fuel filter. Once the filter goes bad, it can limit the quantity 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 around the auto stalling out.

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Fuel filters have been do a rearward development for the critical 50 yøears, literally. For a lengthy time, you’d discover it under the hood. That looked like a tiny pill, and it would certainly be quick and also easy to replace. This remained in the era that carbureted vehicles.

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

These fuel filter were more reliable, but they also were tougher to change. Repairing them method getting under the vehicle and disconnecting steel fittings. It really still isn’t that complicated to deal with, as lengthy as you provide the vehicle a couple of minutes for the fuel press to go down.

The an excellent news is, no matter just how old your Santa Fe is, the symptoms of a negative fuel filter space universal. The doesn’t issue if it’s in-tank or in-line. And, fuel filters room cheap.

Signs of a poor Fuel Filter: Hyundai Santa Fe

Typical Fuel Filter

There room physical indications that you deserve to feel when your Santa Fe’s fuel filter is clogging. Prior to taking anything apart, examine to watch if your engines computer has any trouble codes saved 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 the exist could be a clue. Occasionally when over there is short fuel pressure, friend may also get one oxygen sensor connected trouble code as well. The real worry with diagnosing a poor fuel filter is the it resembles numerous other vehicular worries in terms of symptoms.

Here are the most usual symptoms of a poor fuel filter in her Hyundai Santa Fe:

Sputtering Under Load

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

Now, a bad fuel filter can additionally feel a hell of a lot choose a negative catalytic converter. Both conditions will do the motor feel like it is running the end of wind as soon as you fight the gas. A bad catalytic converter will certainly not feel as jarring. It’s a smooth lack of power. If you space unsure, inspect out this short article on troubleshooting catalytic converters. If you obtain P0420 or P0430 trouble codes v a scanner, it very well might be the catalytic converter resulting in these symptoms.

Hard to begin Engine

One of the finest indicators the a clogged fuel filter is going come be the the her Santa Fe is difficult to start. This since there’s not sufficient fuel push to properly atomize the fuel together it start the combustion chamber.

If your vehicle is challenging to start, a clogged fuel filter would most likely not it is in the location to start looking, particularly if friend are acquiring no trouble code for fuel press or the oxygen sensors.

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

Engine no Starting

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

At the most basic of levels her Hyundai Santa Fe demands three points to start: Air, fuel, and also spark. If any kind of of these points aren’t present, the engine won’t revolve over at all. If there’s to be zero warning that the fuel filter could be going negative (hesitation, difficulty starting, etc) 보다 a clogged fuel filter might not it is in the ar to start. It can certainly reason the difficulty though.

Here’s a good video on utilizing your eye to diagnose the fuel filter:

It Could likewise be your Santa Fe’s Fuel Pump

A fuel pump that is going out is going to feeling the same as a negative fuel filter. This makes telling if you have a bad fuel pump vs poor fuel filter very challenging.

How carry out you tell castle apart? A clogged fuel filter will have actually high pressure on its intake side and low pressure on its calculation side. They room both walking to cause the same hesitation in ~ high speed and difficulty starting. The only method to truly tell is to location a fuel press gauge top top both political parties of the line and also get a reading from both.

If your automobile isn’t starting at all, and you hear the fuel pump prime the is normally a good indication the the pump is functioning to some capacity. Trial and error your Santa Fe’s fuel press on each side of the pump would be the best method to diagnose this problem.

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

Conclusion: Hyundai Santa Fe poor Fuel Pump

The symptoms of a bad fuel pump match a most other typical problems that can take place in the Hyundai Santa Fe. Experimentation the filter and also pressure on each side of it space going to it is in the quickest means to preeminence it out. If over there is anything friend would favor to add, please leaving a comment below. Good luck!