Where is fuel pressure regulator on a 2005 Chevy aveo?

On a 2005 Chevy Aveo, the fuel pressure regulator is integrated into the fuel pump assembly, which is located inside the fuel tank. To access it, you typically need to remove the rear seat and the access panel to the fuel pump. In some cases, the entire fuel tank may need to be dropped for full access. Always consult a repair manual for specific instructions and safety precautions.