Where is the fuel pump control module located on the Regal?
2 Answers
The fuel pump control module on the Regal is integrated with the fuel pump, located inside the fuel tank under the chassis. The fuel tank needs to be lowered to access and remove it. Symptoms of a damaged fuel pump control module in a vehicle are as follows: Increased fuel consumption: The vehicle may exhibit increased fuel consumption and black smoke from the exhaust pipe. If the fuel pump module is damaged, it should be replaced promptly to avoid symptoms such as the vehicle failing to start. Difficulty starting: Damage to the fuel pump's check valve can result in no residual pressure, causing the fuel pressure to fall below the specified value. This significantly reduces the atomization effect, making the vehicle difficult to start and requiring multiple ignition attempts over an extended period.
I remember the location of the Buick Regal's fuel pump control module is usually at the rear of the vehicle, such as under the trunk. Lifting the mat or carpet reveals a black box. There are slight variations across model years: older models like 2005-2010 have it in the left corner of the trunk, while newer post-2015 models might place it under the rear seats. Why hide it there? The design aims for dust and water protection while maintaining accessibility for repairs. If it fails, the fuel pump may stop, causing the car to not start or stall, which is quite hazardous. Before inspection, it's advised to disconnect the battery's negative terminal for safety. For DIY attempts, first consult the vehicle manual to locate it—avoid tampering with wires randomly. If unsure, visit a professional shop. Regular dust cleaning can prevent malfunctions.
