Is there a overflow gas line on the 2002 GMC Savana Van?

Yes, the 2002 GMC Savana Van is equipped with an overflow gas line, also known as a vent line. This line allows excess fuel to return to the fuel tank, preventing pressure buildup and ensuring proper fuel delivery. If there's an issue with the overflow line, it can lead to fuel leaks or pressure problems. Always consult a professional mechanic for diagnosis and repair if you suspect issues with the fuel system.