One of the worst problems that can take place to your Saturn Ion is a negative fuel filter. As soon as the filter go bad, it have the right to limit the quantity of fuel the enters the engine. Without fuel, the auto will not run at all. Through that in mind, many of the symptom of a bad fuel filter revolve roughly the vehicle stalling out.

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Fuel filters have been do a rearward progression for the critical 50 years, literally. Because that a long time, you’d find it under the hood. That looked choose a tiny pill, and it would certainly be quick and easy to replace. This remained in the era that carbureted vehicles.

Things started to change in the 80’s. Fuel injection requires greater fuel pressure. Greater fuel push meant that a more robust fuel filter would certainly be required. This supposed the fuel filter to be no much longer left under the hood. That was placed in the stole fuel line, in between the gas tank and engine bay.

These fuel filters were more reliable, but they likewise were tougher come change. Repairing them method getting under the vehicle and disconnecting stole fittings. It yes, really still isn’t that difficult to transaction with, as long as you provide the car a few minutes because that the fuel pressure to walk down.

The great news is, no matter how old your Ion is, the symptom of a poor fuel filter are universal. That doesn’t matter if it’s in-tank or in-line. And, fuel filters are cheap.

Signs that a negative Fuel Filter: Saturn Ion

Typical Fuel Filter

There room physical indications that you deserve to feel as soon as your Ion’s fuel filter is clogging. Before taking something apart, examine to watch if your engines computer has any type of trouble codes saved in it.

The engine might throw a P0087 problem code. This trouble code detects the the fuel rail/system press is also low. Any type of trouble codes the exist might be a clue. Periodically when over there is short fuel pressure, you may additionally get one oxygen sensor associated trouble password as well. The real concern with diagnosing a poor fuel filter is the it resembles many other vehicular worries in regards to symptoms.

Here are the most common symptoms that a poor fuel filter in her Saturn Ion:

Sputtering Under Load

The only way that you room going to know that your Ion’s fuel filter might be going the end is that it is no longer letting enough fuel with to store the engine to run under a heavy load, or at high-speed. Typically, if you space heading increase a hill (or accelerating) the engine might start come feel like it is just running the end of steam. That’s what that feels like with a negative fuel filter.

Now, a negative fuel filter can additionally feel a hell of a lot choose a bad catalytic converter. Both conditions will do the motor feel prefer it is running out of wind once you fight the gas. A negative catalytic converter will certainly not feel together jarring. It’s a smooth lack of power. If you room unsure, check out this article on troubleshooting catalytic converters. If you get P0420 or P0430 trouble codes v a scanner, it really well may be the catalytic converter bring about these symptoms.

Hard to start Engine

One of the finest indicators the a clogged fuel filter is going to be that the her Ion is an overwhelming to start. This because there’s not enough fuel pressure to effectively atomize the fuel together it enters the burning chamber.

If your auto is daunting to start, a clogged fuel filter would more than likely not be the ar to begin looking, specifically if girlfriend are acquiring no trouble password for fuel press or the oxygen sensors.

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

Engine no Starting

If the fuel filter has come to be so contaminated the the minimum amount of fuel has actually not been let with it, the engine won’t begin at all.

At the most basic of levels your Saturn Ion requirements three points to start: Air, fuel, and also spark. If any kind of of these points aren’t present, the engine won’t turn over at 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 it is in the location to start. It might certainly reason the trouble though.

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

It Could additionally be her Ion’s Fuel Pump

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

How carry out you tell them apart? A clogged fuel filter will have actually high pressure on its input side and also low push on its output side. They room both walking to reason the exact same hesitation in ~ high rate and difficulty starting. The only means to truly tell is to location a fuel push gauge ~ above both sides of the line and also get a analysis from both.

If your car isn’t beginning at all, and also you listen the fuel pump prime that is typically a great indication that the pump is working to part capacity. Trial and error your Ion’s fuel pressure on each side of the pump would be the best means to diagnose this problem.

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

Conclusion: Saturn Ion poor Fuel Pump

The symptom of a bad fuel pump match a most other common problems the can occur in the Saturn Ion. Testing the filter and also pressure on every side the it room going to be the quickest means to dominion it out. If over there is anything you would like to add, please leaving a comment below. An excellent luck!