Without fuel, the vehicle will not run at all. Without gas your Cherokee will not run at all. Here are the most common symptoms of a bad fuel filter in your Jeep Grand Cherokee: Sputtering Under Load. How do you tell them apart? That’s what it feels like with a bad fuel pump. If your Jeep Cherokee’s fuel pump goes bad, no fuel (or not enough fuel depending on whether or not it’s out all the way) can enter the engine. One of the worst problems that can happen to a vehicle is a bad fuel pump. Good luck!

A clogged fuel filter will have high pressure on its input side and low pressure on its output side. This was in the era of carbureted vehicles. If your car is difficult to start, a clogged fuel filter would probably not be the place to start looking, especially if you are getting no trouble code for fuel pressure or the oxygen sensors. A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged. The only way that you are going to know that your Cherokee’s fuel pump is going out is that it is no longer providing enough fuel pressure to keep the engine running under a heavy load, or at high-speed. Fuel filters have been making a rearward progression for the last 50 years, literally. Instead, we’d recommend taking a look at the ignition system first. 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.

It is in the fuel tank because “pushing” fuel to the fuel rail is easier than “pulling” the fuel, which is what an inline pump would do. Here’s a great video on using your eyes to diagnose the fuel filter: A fuel pump that is going out is going to feel the same as a bad fuel filter.

If there is anything you would like to add, please leave a comment below. A bad catalytic converter will not feel as jarring. If your car isn’t starting at all, and you hear the fuel pump prime that is usually a good indication that the pump is working to some capacity. When the filter goes bad, it can limit the amount of fuel that enters the engine.

The good news is that fuel pumps are inexpensive. Things began to change in the 80’s. Both conditions will make the motor feel like it is running out of wind when you hit the gas. Typically, if you are heading up a hill (or accelerating) the engine may start to feel like it is just running out of steam. When they leak, they can really do some damage. If there’s been zero 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. The only way that you are going to know that your Cherokee’s fuel filter may be going out is that it is no longer letting enough fuel through to keep the engine running under a heavy load, or at high-speed. There are physical signs that you can feel when your Grand Cherokee’s fuel filter is clogging. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low. Any trouble codes that exist could be a clue. This makes telling if you have a bad fuel pump vs bad fuel filter very challenging. A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged. If you get P0420 or P0430 trouble codes with a scanner, it very well may be the catalytic converter causing these symptoms. Higher fuel pressure meant that a more robust fuel filter would be required. One of the best indicators of a clogged fuel filter is going to be that the your Grand Cherokee is difficult to start. It’s a smooth lack of power. These fuel filters were more reliable, but they also were tougher to change. It doesn’t matter if it’s in-tank or in-line. At the most basic of levels your Jeep Cherokee needs three things to start:  Air, fuel, and spark. The engine may throw a P0087 trouble code. That’s why it’s important to check the fuel pressure at the rail …

Now, a bad fuel filter can also feel a heck of a lot like a bad catalytic converter. If there is anything you would like to add, please leave a comment below. These fuel filters were more reliable, but they also were tougher to change. In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail(s). If your car is difficult to start, a clogged fuel filter would probably not be the place to start looking, especially if you are getting no trouble code for fuel pressure or the oxygen sensors.

Without fuel, the vehicle will not run at all. They are both going to cause the same hesitation at high speed and difficulty starting. If the fuel pump has completely failed, the engine won’t start at all. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The bad news is that they cost a lot in terms of labor to repair and replace. If any of these things aren’t present, the engine won’t turn over at all. When the filter goes bad, it can limit the amount of fuel that enters the engine. This meant the fuel filter was no longer left under the hood.

Testing the filter and pressure on each side of it are going to be the quickest ways to rule it out. How do you tell them apart? The symptoms of a bad fuel pump match a lot of other common problems that can occur in the Jeep Grand Cherokee. When this happens not enough fuel enters into your Cherokee’s combustion chamber.

This makes telling if you have a bad fuel pump vs bad fuel filter very challenging. It’ll sound like a low frequency buzzing sound. And, fuel filters are cheap. Any trouble codes that exist could be a clue. One of the worst problems that can happen to your Jeep Grand Cherokee is a bad fuel filter.

The only way that you are going to know that your Grand Cherokee’s fuel filter may be going out is that it is no longer letting enough fuel through to keep the engine running under a heavy load, or at high-speed.

Here are the most common symptoms of a bad fuel pump in your Jeep Cherokee: One of the most common signs that a fuel pump is going bad is a whining sound. The good news is, no matter how old your Grand Cherokee is, the symptoms of a bad fuel filter are universal.

With that in mind, most of the symptoms of a bad fuel pump revolve around the vehicle stalling out or not running at all. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Pontiac Solstice: Bad Fuel Pump → Symptoms & Diagnosis, Jeep Patriot: Bad Fuel Pump → Symptoms & Diagnosis, Chevy Impala: Brake Lights Stuck On → Diagnosis.

If the fuel filter has become so contaminated that the minimum amount of fuel has not been let through it, the engine won’t start at all. The engine may throw a P0087 trouble code. If any of these things aren’t present, the engine won’t turn over at all.

Testing your Cherokee’s fuel pressure on each side of the pump would be the best way to diagnose this problem. Testing your Grand Cherokee’s fuel pressure on each side of the pump would be the best way to diagnose this problem. If there’s been zero warning that the fuel pump could be going bad (hesitation, difficulty starting, etc) then it should not be automatically assumed that the fuel pump is at fault. If you are unsure, check out this article on troubleshooting catalytic converters. Good luck! It could certainly cause the problem though. That’s what it feels like with a bad fuel filter. The symptoms of a bad fuel pump match a lot of other common problems that can occur in the Jeep Cherokee. Instead, we’d recommend taking a look at the ignition system first.

Both conditions will make the motor feel like it is running out of wind when you hit the gas. The real issue with diagnosing a bad fuel pump is that it resembles many other vehicular issues in terms of symptoms. If the fuel filter has become so contaminated that the minimum amount of fuel has not been let through it, the engine won’t start at all.

If there is anything you would like to add, please leave a comment below. Now, a bad fuel pump can also feel a heck of a lot like a bad catalytic converter. Here’s a great video on using your eyes to diagnose the fuel filter: A fuel pump that is going out is going to feel the same as a bad fuel filter. With that in mind, most of the symptoms of a bad fuel filter revolve around the vehicle stalling out. Fuel injection requires higher fuel pressure. Sometimes when there is low fuel pressure, you may also get an oxygen sensor related trouble code as well. It could certainly cause the problem though. Also, the symptoms are almost exactly the same as bad/clogged fuel filter. How do you tell them apart? Here are the most common symptoms of a bad fuel filter in your Jeep Cherokee: The only way that you are going to know that your Cherokee’s fuel filter may be going out is that it is no longer letting enough fuel through to keep the engine running under a heavy load, or at high-speed. That’s what it feels like with a bad fuel filter. One of the best indicators of a clogged fuel filter is going to be that the your Cherokee is difficult to start. One of the worst problems that can happen to your Jeep Cherokee is a bad fuel filter. This meant the fuel filter was no longer left under the hood. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Ford Transit Courier: Bad Fuel Filter → Symptoms and Diagnosis, Pontiac Grand Prix: Bad Fuel Filter → Symptoms and Diagnosis, Chevy Impala: Brake Lights Stuck On → Diagnosis.