2015 GMC Yukon XL Fuel system Problems

“After driving a 100 mile round trip on a us hwy, county roads, and city streets, we arrived back home and before we could turn our 2015 Gmc Yukon Xl, we immediately began to smell gasoline. Directly underneath where our 8 month child was just siting, is where we noticed 87 octane fuel dripping rapidly. As I was looking, my wife was removing our child out the passenger side where she was sitting. We had so much gas on the ground and the fumes where so strong. I can not stress enough how quickly the fumes engulfed our whole vehicle, with all of us still in the vehicle. …”

“Fuel smell inside and outside of vehicle while driving and parked. Extended crank after (overnight) engine off park. Fuel puddle noticed under parked vehicle on garage floor and driveway after overnight parking. Smell and fuel leak seemed worse with a full tank. Also noticed more frequent auto shut off at fuel station during automatic filling. Dealer dropped tank and found a fuel line that was 'rubbed' through to the point of failure. I will document with pictures upon my return to the dealership if needed for future. …”

“Pinhole fuel leak located in the bend radius of a plastic, quick disconnect coupling, of a pressurized fuel line, just forward of the fuel tank. Being a pressurized line, the leak is continuous, whether the vehicle is on, or off. Due to the location of the leak, fuel is sprayed upwards onto other shielded lines and components, representing a safety/fire hazard.”

“The contact owns a 2015 GMC Yukon XL. The contact stated that while operating the vehicle, the odor of fuel was present inside the cabin of the vehicle. The vehicle was taken to the local NAPA Auto store which diagnosed that the fuel feeder line was faulty and needed to be replaced. The fuel feeder line was replaced but the odor was still present inside the vehicle. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The failure mileage was 165,000.”

“Fuel injector is direct injection into cylinder. Excess carbon build-up is endemic with this design causing power loss/decrease, knocking, and potentially increased emissions. Safety factor is loss/decrease of engine power when needed for safe highway driving. This problem is noted in GM literature and technical bulletins. The Malfunction Indicator Light (MIL), also know as the Check Engine Light, illuminated and provided generic malfunction codes via the OBD. Cylinder #7 fuel injector removed and replaced, mechanic inspected the used injector. Heavy carbon build-up noted.”