There are 8 owner-reported fuel system complaints for the 2005 GMC Yukonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2005 GMC YUKON. WHILE DRIVING UNKNOWN SPEEDS, THERE WAS A STRONG FUEL ODOR COMING FROM THE VEHICLE. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THERE WERE HOLES IN THE FUEL LINE DUE TO THE LINES BEING TOO CLOSE AND RUBBING TOGETHER. THE FUEL LINES WERE REPLACED. THE MANUFACTURER WAS NOTIFIED AND STATED THAT THE WARRANTY HAD EXPIRED. NO FURTHER ASSISTANCE WAS OFFERED BY THE MANUFACTURER. THE FAILURE MILEAGE WAS 275,000.
TL* THE CONTACT OWNS A 2005 GMC YUKON. THE CONTACT NOTICED A FUEL ODOR COMING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP WAS COMPLETELY RUSTED FROM THE ELBOW ON THE TOP OF THE FUEL TANK AND NEEDED TO BE REPAIRED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 100,000. THE VIN WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2005 GMC YUKON. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED FUEL LEAKING. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SENDING UNIT FOR THE FUEL PUMP RUSTED AND FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 06E043000 (FUEL SYSTEM, GASOLINE). THE APPROXIMATE FAILURE MILEAGE WAS 150,000.
TL* THE CONTACT OWNS A 2005 GMC YUKON. THE CONTACT STATED THAT THE FUEL GAUGE WAS PROVIDING INACCURATE FUEL LEVEL READINGS. THE DEALER DIGNOSED THAT THE FLOAT ASSEMBLY WOULD NEED TO BE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE AND THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 38,000 AND THE CURRENT MILEAGE WAS 90,000. UPDATED 09/21/11*LJ
2005 FAULTY GMC YUKON DASH SYSTEM. DEALER ORIGINALLY TOLD ME IT WAS THE FUEL PUMP BUT SUGGESTED IT MIGHT BE ALCOHOL IN THE GASOLINE. I TRIED USING ETHANOL FREE GAS AND IT WORKED. I COULDN'T FIND ANY ETHANOL FREE GAS ON DEC 25TH SO I HAD TO USE 10% ETHANOL AND MY ENTIRE DASH HAS QUIT WORKING. I CAN'T TELL HOW FAST I'M GOING, IF I HAVE FUEL OR HOW MANY MILES I HAVE ON MY VEHICLE. THE GMC DEALERSHIP WANTS ME TO REPLACE MY FUEL PUMP, DASH BOARD AND THEY ESTIMATE IT WILL COST AROUND $1500. IT WORKED FINE WITHOUT ETHANOL! *TR
FUEL GAUGE NOT WORKING, JUMPS ALL OVER THE PLACE... SHOWS HALF TANK AND THEN RISES TO FULL WHILE DRIVING OR THE OTHER WAY AROUND. CALLED GMC AND THEY ARE AWARE OF THIS PROBLEM, SAID FUEL PUMP NEEDS REPLACING AND IS HAPPENING ON MANY VEHICLES BUT ITS NOT A RECALL. *TT
TL* THE CONTACT OWNS A 2005 GMC YUKON. WHILE PARKED WITH THE ENGINE RUNNING, THE CONTACT COULD SMELL GASOLINE COMING FROM THE VEHICLE. UPON EXAMINATION HE COULD SEE GASOLINE SPRAYING OUT LIKE MIST FROM UNDERNEATH THE VEHICLE. THE VEHICLE WAS SHUT OFF AS GASOLINE BEGAN TO DRIP FROM UNDERNEATH THE VEHICLE. HE LOOKED UNDER THE VEHICLE AND NOTICED THE FUEL WAS LEAKING FROM TWO SMALL HOLES PIERCED THROUGH ONE OF THE FUEL LINES. THE VEHICLE WAS NOT TAKEN TO BE EXAMINED FOR THE CAUSE OF FAILURE AND WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS UNAVAILABLE.
THE FUEL GAUGE IS DEFECTIVE. IT IS USUALLY SAYING EMPTY WHEN THERE IS PLENTY OF GAS IN THE TANK. THIS HAS BEEN AN ONGOING PROBLEM FOR A LONG TIME. WHEN I PUT GAS IN THE GAUGE WILL DISPLAY THE PROPER AMOUNT. WITHIN MINUTES IT WILL SAY EMPTY AND THE LOW FUEL INDICATOR LIGHT COMES ON. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026