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In the 2012 Jeep Grand Cherokee, there are actually two fuel filters within the fuel pump module. One is located inside the main component, while the other is positioned at the module's base. Although both filters are built for long-term use, it is still possible that you may need to replace one eventually. Their primary function is to prevent harmful substances from getting into the fuel injectors and line, safeguarding the engine from damage. Over time, the filter may become too dirty, causing flow restrictions or particle filtration issues. Symptoms of a failing fuel filter can include difficulty starting the vehicle, misfiring, hesitation, stalling, reduced acceleration, fuel pump damage, and the illumination of the check engine light. Replacing the fuel filter in a 2012 Grand Cherokee typically costs between $220 and $250, inclusive of labor.
The fuel filter for a 2012 Jeep Grand Cherokee is located inside the fuel pump assembly within the gas tank.
I just saw a post on a message board that says the 2012 Jeep Grand Cherokee doesn't have a replaceable fuel filter, and that's why it's hard to find details about it.