One the the worst difficulties that can take place to your Chevy Aveo is a bad fuel filter. Once the filter walk bad, it have the right to limit the quantity of fuel that enters the engine. Without fuel, the car will no run in ~ all. V that in mind, many of the symptoms of a bad fuel filter revolve approximately the vehicle stalling out.

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Fuel filters have actually been do a rearward development for the last 50 years, literally. For a lengthy time, you’d discover it under the hood. The looked choose a little pill, and also it would certainly be quick and also easy come replace. This was in the era of 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 supposed the fuel filter to be no longer left under the hood. That was put in the stole fuel line, in between the gas tank and engine bay.

These fuel filter were much more reliable, yet they additionally were tougher come change. Repairing them method getting under the vehicle and disconnecting steel fittings. It really still isn’t that daunting to deal with, as long as you provide the car a couple of minutes for the fuel push to go down.

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

Signs the a poor Fuel Filter: Chevy Aveo

Typical Fuel Filter

There room physical signs that you can feel when your Aveo’s fuel filter is clogging. Before taking something apart, check to view 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 pressure is too low. Any trouble codes that exist might be a clue. Periodically when over there is short fuel pressure, girlfriend may additionally get one oxygen sensor associated trouble code as well. The real worry with diagnosing a poor fuel filter is that it resembles numerous other vehicular problems in regards to symptoms.

Here space the most usual symptoms the a bad fuel filter in her Chevy Aveo:

Sputtering Under Load

The only method that you room going to recognize that your Aveo’s fuel filter might be going the end is that it is no much longer letting enough fuel v to store the engine running under a heavy load, or at high-speed. Typically, if you room heading up a hill (or accelerating) the engine might start come feel prefer it is just running out of steam. That’s what it feels prefer with a poor fuel filter.

Now, a bad fuel filter can additionally feel a heck of a lot choose a negative catalytic converter. Both problems will do the motor feel prefer it is running out of wind as soon as you struggle the gas. A poor catalytic converter will not feel as jarring. It’s a smooth absence of power. If you are unsure, check out this short article on troubleshooting catalytic converters. If you obtain P0420 or P0430 trouble codes v a scanner, it an extremely well may be the catalytic converter leading to these symptoms.

Hard to begin Engine

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

If your auto is challenging to start, a clogged fuel filter would more than likely not it is in the ar to begin looking, specifically if you are obtaining no trouble password for fuel press or the oxygen sensors.

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

Engine not Starting

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

At the most simple of levels your Chevy Aveo needs three points to start: Air, fuel, and spark. If any type of of these things aren’t present, the engine won’t turn over at all. If there’s been zero warning the the fuel filter might be going bad (hesitation, an obstacle starting, etc) 보다 a clogged fuel filter might not it is in the place to start. It could certainly cause the difficulty though.

Here’s a an excellent video on using your eyes to diagnose the fuel filter:

It Could also be your Aveo’s Fuel Pump

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

How perform you tell lock apart? A clogged fuel filter will have high pressure on its input side and also low press on its output side. They room both walk to reason the exact same hesitation in ~ high speed and an obstacle starting. The only means to important tell is to location a fuel push gauge top top both political parties of the line and get a analysis from both.

If your vehicle isn’t beginning at all, and also you hear the fuel pump prime that is commonly a good indication that the pump is working to some capacity. Experimentation your Aveo’s fuel push on each side the the pump would be the best method to diagnose this problem.

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A priming fuel pump sounds prefer a high-pitched whine for a couple of seconds and also can it is in heard v a sharp engine ideal after the ignition key is turned, but prior to the starter is engaged.

Conclusion: Chevy Aveo bad Fuel Pump

The symptoms of a negative fuel pump match a the majority of other typical problems that can occur in the Chevy Aveo. Testing the filter and pressure on every side of it are going to be the quickest means to dominance it out. If there is anything girlfriend would choose to add, please leaving a comment below. Good luck!