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If you're experiencing issues with the fuel pump in your 2005 Jeep Grand Cherokee, it could be because of a blocked fuel filter or a malfunctioning fuel pump that is not getting power. Symptoms you might observe with the fuel pump include power loss during acceleration, engine surges, starting difficulties, and a whining noise. By using a diagnostic tool, you can check for an error code, often the P0087 code indicating low fuel rail/system pressure. When replacing the fuel pump, it's advisable to also replace the fuel filter since they are interrelated. Expect to pay between $50 and $150 for a new fuel pump, depending on the brand and quality you select.
Some issues that could arise from a faulty fuel pump in a 2005 Jeep Grand Cherokee include a decrease in power during acceleration, engine surges, and difficulty starting the vehicle.