Where Is The Fuel Filter On A 2015 Hyundai Sonata

One of the worst bug that tin happen to your Hyundai Sonata is a bad fuel filter. When the filter goes bad, information technology can limit the corporeality of fuel that enters the engine. Without fuel, the vehicle will non run at all. With that in mind, almost of the symptoms of a bad fuel filter revolve around the vehicle stalling out.

Bad Fuel Filter Symptoms Hyundai Sonata

Fuel filters take been making a rearward progression for the concluding fifty yøears, literally. For a long time, yous'd find it under the hood. It looked like a little pill, and information technology would exist quick and like shooting fish in a barrel to replace. This was in the era of carbureted vehicles.

Things began to change in the 80's. Fuel injection requires college fuel force per unit area. Higher fuel pressure meant that a more robust fuel filter would be required. This meant the fuel filter was no longer left under the hood. Information technology was put in the steel fuel line, between the gas tank and engine bay.

These fuel filters were more reliable, but they also were tougher to alter. Repairing them means getting under the vehicle and disconnecting steel fittings. Information technology actually withal isn't that difficult to deal with, equally long as yous give the vehicle a few minutes for the fuel pressure to go down.

The skilful news is, no matter how sometime your Sonata is, the symptoms of a bad fuel filter are universal. It doesn't matter if information technology'south in-tank or in-line. And, fuel filters are cheap.

Signs of a Bad Fuel Filter: Hyundai Sonata

Hyundai Sonata Bad Fuel Filter Diagnosis — Typical Fuel Filter

At that place are physical signs that you can feel when your Sonata'southward fuel filter is clogging. Before taking anything apart, check to see if your engines computer has any trouble codes saved in it.

The engine may throw a P0087 trouble code. This trouble lawmaking detects that the fuel rail/system pressure is as well low. Whatsoever trouble codes that be could be a inkling. Sometimes when in that location is depression fuel pressure, you may besides get an oxygen sensor related trouble lawmaking likewise. The existent issue with diagnosing a bad fuel filter is that it resembles many other vehicular issues in terms of symptoms.

Hither are the nigh common symptoms of a bad fuel filter in your Hyundai Sonata:

Sputtering Under Load

The only way that yous are going to know that your Sonata's fuel filter may exist going out is that it is no longer letting enough fuel through to go on the engine running under a heavy load, or at loftier-speed. Typically, if yous are heading up a hill (or accelerating) the engine may first to experience like it is simply running out of steam. That'southward what it feels similar with a bad fuel filter.

Now, a bad fuel filter tin can besides feel a heck of a lot similar a bad catalytic converter. Both conditions will make the motor feel like information technology is running out of wind when yous hit the gas. A bad catalytic converter will not feel as jarring. It's a smooth lack of power. If you are unsure, cheque out this article on troubleshooting catalytic converters. If you get P0420 or P0430 trouble codes with a scanner, it very well may be the catalytic converter causing these symptoms.

Hard to Commencement Engine

One of the all-time indicators of a chock-full fuel filter is going to be that the your Sonata is hard to start. This considering there's not enough fuel pressure to properly disintegrate the fuel as information technology enters the combustion chamber.

If your car is difficult to commencement, a clogged fuel filter would probably non be the place to start looking, especially if you are getting no trouble code for fuel pressure or the oxygen sensors.

Instead, nosotros'd recommend taking a look at the ignition system first. Often it'll exist bad spark plugs, or a bad coil pack.

Engine Not Starting

If the fuel filter has become so contaminated that the minimum amount of fuel has not been permit through information technology, the engine won't start at all.

At the near basic of levels your Hyundai Sonata needs three things to start: Air, fuel, and spark. If any of these things aren't present, the engine won't plow over at all. If there's been cipher warning that the fuel filter could be going bad (hesitation, difficulty starting, etc) than a clogged fuel filter might not be the place to start. It could certainly cause the problem though.

Here's a swell video on using your eyes to diagnose the fuel filter:

Information technology Could Besides be Your Sonata's Fuel Pump

A fuel pump that is going out is going to experience the same as a bad fuel filter. This makes telling if you take a bad fuel pump vs bad fuel filter very challenging.

How do yous tell them apart? A clogged fuel filter will have high pressure on its input side and low pressure level on its output side. They are both going to cause the aforementioned hesitation at high speed and difficulty starting. The only way to truly tell is to place a fuel pressure gauge on both sides of the line and get a reading from both.

If your car isn't starting at all, and y'all hear the fuel pump prime that is usually a good indication that the pump is working to some chapters. Testing your Sonata'south fuel pressure on each side of the pump would be the best manner to diagnose this problem.

A priming fuel pump sounds like a high-pitched whine for a few seconds and can exist heard with a abrupt engine correct after the ignition key is turned, but earlier the starter is engaged.

Decision: Hyundai Sonata Bad Fuel Pump

The symptoms of a bad fuel pump match a lot of other common bug that tin can occur in the Hyundai Sonata. Testing the filter and pressure on each side of information technology are going to be the quickest ways to rule information technology out. If at that place is anything you would like to add, please exit a comment below. Skillful luck!