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The fuel filter in the 2012 GMC Acadia is integrated with the fuel pump. Typically, the fuel pump is located underneath the vehicle, connected to the fuel rail. Accessing it is straightforward since it's secured by a couple of bolts that are easy to remove. Replacement costs can range from $200 to $800 on average. In certain instances, the filter and pump are internal components of the gas tank. In this scenario, a new gas tank may be required to replace the pump, but there will be external access to install a new filter. Prices for this service are similar, possibly slightly higher than just replacing the pump. Symptoms of a failing pump include difficulty accelerating due to insufficient fuel delivery and, in severe cases, the inability to start the vehicle.
The 2012 GMC Acadia has its fuel pump situated inside the gas tank, specifically positioned on the rear left side of the vehicle.