Any trouble codes that exist could be a clue. This trouble code detects that the fuel rail/system pressure is too low. The engine may throw a P0087 trouble code. Before taking anything apart, check to see if your engines computer has any trouble codes saved in it. There are physical signs that you can feel when your Grand Cherokee’s fuel filter is clogging. Signs of a Bad Fuel Filter: Jeep Grand Cherokee Typical Fuel Filter It doesn’t matter if it’s in-tank or in-line. The good news is, no matter how old your Grand Cherokee is, the symptoms of a bad fuel filter are universal. It really still isn’t that difficult to deal with, as long as you give the vehicle a few minutes for the fuel pressure to go down. Repairing them means getting under the vehicle and disconnecting steel fittings. These fuel filters were more reliable, but they also were tougher to change. It was put in the steel fuel line, between the gas tank and engine bay. This meant the fuel filter was no longer left under the hood. Higher fuel pressure meant that a more robust fuel filter would be required. Fuel injection requires higher fuel pressure. This was in the era of carbureted vehicles.
It looked like a little pill, and it would be quick and easy to replace. For a long time, you’d find it under the hood. With that in mind, most of the symptoms of a bad fuel filter revolve around the vehicle stalling out.įuel filters have been making a rearward progression for the last 50 years, literally. Without fuel, the vehicle will not run at all. When the filter goes bad, it can limit the amount of fuel that enters the engine. One of the worst problems that can happen to your Jeep Grand Cherokee is a bad fuel filter.
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