One that the worst difficulties that can take place to her Chevy Aveo is a bad fuel filter. As soon as the filter go bad, it can limit the amount of fuel the enters the engine. There is no fuel, the vehicle will not run at all. Through 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 actually been making a rearward progression for the last 50 years, literally. Because that a lengthy time, you’d find it under the hood. It looked choose a tiny pill, and it would be quick and easy to replace. This was in the era of carbureted vehicles.

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

These fuel filters were more reliable, however they likewise were tougher to change. Repairing them method getting under the vehicle and also disconnecting stole fittings. It really still isn’t that complicated to deal with, as lengthy as you provide the automobile a few minutes because that the fuel press to go down.

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

Signs that a negative Fuel Filter: Chevy Aveo

Typical Fuel Filter

There are physical indications that you deserve to feel as soon as your Aveo’s fuel filter is clogging. Before taking anything apart, examine to see if her engines computer has any type of trouble codes saved in it.

The engine may throw a P0087 trouble code. This trouble code detects the the fuel rail/system pressure is too low. Any kind of trouble codes the exist can be a clue. Occasionally when there is low fuel pressure, girlfriend may also get an oxygen sensor associated trouble password as well. The real problem with diagnosing a negative fuel filter is that it resembles many other vehicular issues in regards to symptoms.

Here space the most common symptoms that a bad fuel filter in your Chevy Aveo:

Sputtering Under Load

The only method that you room going to understand that her Aveo’s fuel filter may be going the end is the it is no longer letting sufficient fuel with to store the engine running under a hefty load, or in ~ high-speed. Typically, if you room heading increase a hill (or accelerating) the engine might start come feel favor it is just running the end of steam. That’s what the feels favor with a negative fuel filter.

Now, a poor fuel filter can additionally feel a hell of a lot favor a poor catalytic converter. Both problems will do the motor feel choose it is running the end of wind when you struggle the gas. A poor catalytic converter will not feel as jarring. It’s a smooth lack of power. If you room unsure, check out this short article on troubleshooting catalytic converters. If you obtain P0420 or P0430 problem codes with a scanner, it very well may be the catalytic converter resulting in these symptoms.

Hard to start Engine

One that the finest indicators the a clogged fuel filter is going to be that the your Aveo is difficult to start. This since there’s not sufficient fuel press to correctly atomize the fuel together it beginning the combustion chamber.

If your vehicle is complicated to start, a clogged fuel filter would more than likely not it is in the location to begin looking, particularly if you are getting no trouble code for fuel push or the oxygen sensors.

Instead, we’d recommend acquisition a look in ~ the ignition mechanism first. Frequently 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 amount of fuel has not to be let v it, the engine won’t begin at all.

At the most straightforward of levels her Chevy Aveo requirements three points to start: Air, fuel, and also spark. If any type of of these things aren’t present, the engine won’t turn over in ~ all. If there’s been zero warning that the fuel filter might be going poor (hesitation, challenge starting, etc) 보다 a clogged fuel filter can not it is in the place to start. It could certainly reason the problem though.

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

It Could also be her Aveo’s Fuel Pump

A fuel pump that is going the end is walk to feel the very same as a negative fuel filter. This makes telling if you have actually a negative fuel pump vs negative fuel filter an extremely 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 are both walking to cause the exact same hesitation in ~ high rate and an obstacle starting. The only method to truly tell is to ar a fuel pressure gauge top top both political parties of the line and also get a analysis from both.

If your auto isn’t starting at all, and you hear the fuel pump prime that is normally a an excellent indication that the pump is functioning to some capacity. Testing your Aveo’s fuel pressure on every side of the pump would be the best method to diagnose this problem.

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A priming fuel pump sounds favor a high-pitched whine because that a few seconds and can be heard with a spicy engine best after the ignition key is turned, but before the starter is engaged.

Conclusion: Chevy Aveo negative Fuel Pump

The symptoms of a poor fuel pump match a many other typical problems the can occur in the Chevy Aveo. Trial and error the filter and pressure on each side that it are going to be the quickest means to preeminence it out. If there is anything you would like to add, please leaving a comment below. Good luck!