There are 9 owner-reported fuel system complaints for the 2005 GMC Sierrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
DRIVING 75MPH IN HEAVY HIGHWAY TRAFFIC THE CHECK ENGINE LIGHT CAME ON AND THE TRUCK LOST POWER AND SLOWED TO 40 MPH IN ABOUT 200 YARDS. WE ALMOST GOT HIT BY ALL THE TRAFFIC BEHIND AND AROUND US AS THIS HAPPEN WITHOUT ANY WARNING. WE GOT TO THE SIDE OF THE HWY AND I HAVE A SCANNER AND FOUND 2 CODES P0207 AND P2146. I GOT OUT AND CHECKED THE WIRING TO THE #7 INJECTOR AND DID NOT FIND ANYTHING. PLUGGED IT BACK IN CLEARED CODES ,ENGINE RAN FINE SO START DOWN THE ROAD AGAIN. AFTER 5 MILES IT DID IT AGAIN. IT TOOK ME 5 HOURS TO GO 90 MILES TO GET TO THE NEXT CITY. AT THE HOTEL I FOUND THAT GM HAS A TECH BULLETIN FOR THESE FAULTS AND IT WAS PUBLISHED IN 2008 AT LEAST. SO I WENT TO A DEALER AND WAS TOLD THEY WOULD CHARGE ME FOR THIS REPAIR. I WANT TO KNOW WHY GM DID NOT NOTIFY ME OF THIS KNOWN DEFECT IN 2008 SO I COULD HAVE THE TRUCK REPAIRED IN 2008? THIS DEFECT CAUSES THE TRUCK TO LOOSE SO MUCH POWER THAT IT WILL SLOW IN TRAFFIC WHICH COULD CAUSE AN ACCIDENT. WHY WOULD THIS NOT BE A RECALL THAT GM SHOULD PAY FOR ? GM TB NUMBER IS 05-06-04-047C WHICH TELLS YOU WHAT HAPPENS TO THE TRUCK WHEN THIS DEFECT HAPPENS.
2005 GMC SIERRA Z71. I AM THE ORIGINAL OWNER. THIS VEHICLE HAS 18K MILES, YES 18 THOUSAND ORIGINAL MILES. THIS TRUCK DOES NOT GET BEAT ON AT ALL, NO OFF ROAD ETC, AND IT HAS BEEN WELL TAKEN CARE OF SINCE NEW. THERE IS A RUST ISSUE WITH THESE TRUCKS. ON 5-19-2014, ON MY WAY TO THE CAR WASH MY BRAKES STARTED TO FEEL VERY SOFT AND THE TRUCK WAS NOT STOPPING. I CHANGED ROUTES TO MY MECHANICS SHOP, AND WHILE EN ROUTE LOST THE REAR BRAKES. I THANKFULLY ARRIVED (DRIVING VERY SLOWLY) TO THE FRONT OF HIS SHOP. I GOT OUT AND SAW A PUDDLE OF BRAKE FLUID LEAKING OUT OF THE REAR END BRAKE LINES REAR LINES WERE COMPLETELY RUSTED. HE INSPECTED THE VEHICLE, AND AS IF THIS WASN'T ENOUGH, INFORMED THAT THE TRANSMISSION LINES WERE ALSO LEAKING (RUSTED). MECHANIC ADDED THAT I SHOULD BE PREPARED FOR THE FUEL LINES TO RUST THROUGH NEXT. THIS LINE REPLACEMENT JOB WILL COST ME ABOUT 2K. NOT TO MENTION THE ISSUE WITH THE LOWER ROCKERS AND CAB CORNERS RUSTING. THAT ESTIMATED IS FOR ANOTHER 2K. I PURCHASED THIS TRUCK TO LAST ME, AND APPARENTLY GM DOES NOT BUILD A QUALITY PRODUCT ANYMORE. THERE A NUMEROUS COMPLAINTS ABOUT THIS ISSUE, AND GM REFUSES TO ACKNOWLEDGE THE PROBLEM. VERY UNHAPPY! *TR
THE 2005 GMC 2500HD FWD (WELL MAINTAINED AND OILED TO PREVENT CORROSION) EXPERIENCED A FAILURE WHILE TOWING MY 24' PURSUIT FISHING BOAT (7200 LBS.) HOME FROM STURGEON POINT MARINA TO HAMBURG, NY 14075 (APPROXIMATELY 10 MILES) WITH "MINIMAL" STOPPING CAPABILITY AS THE DOT 3 BRAKE FLUID WAS BEING EXPELLED. I HAD TO FEATURE THE THROTTLE TO NEGOTIATE STOPPING SENARIOS WITHOUT ISSUE. AS OF 8/20/12, THIS VEHICLE IS WITH FUCCILLO CHEVROLET, INC. (GRAND ISLAND, NY) FOR OVERHAUL OF ENTIRE BRAKING SYSTEM; INCLUDING FUEL LINES. THE CERTIFIED TECHNICIAN SUGGESTED THE ENTIRE BRAKE LINES SYSTEM BE REPLACED ALONG WITH THE FUEL LINES DUE TO EXTREME CORROSION. ALL THIS WORK IS BEING PERFORMED SINCE THE EXCELLENT CONDITION OF THE VEHICLE.THE ESTIMATE FOR THIS WORK IS APPROXIMATELY $2250 TO REPLACE ALL LINES (BRAKE / GAS) AFFECTED BY SEVERE CORROSION. THIS CONDITION IS A RESULT OF POOR MATERIAL SELECTION NOT CAPABLE OF WITHSTANDING NORMAL WINTER CONDITIONS FOUND IN THE NORTHEAST. THE SAME STANDARDS SHOULD BE USED AS SELECTING EXHAUST SYSTEM MATERIAL. BRAKES CAN KILL YOU....EXHAUST SYSTEMS CAN NOT! FINAL NOTE: TRUCK DRIVEN 50 MILES PER WEEK TO WORK (10 MILES EACH DAY). DURING WINTER MONTHS, THE RESIDUAL SALT IS RINSED AS REQUIRED ON A WEEKLY BASIS (OR SOONER) TO PREVENT CORROSION. THIS TRUCK PRIOR TO WINTER DRIVING HAS HAD OIL APPLIED TO THE UNDERFRAME, APPARENTLY, THE BRAKE / FUEL LINE WHERE NOT ADEQUATELY TREATED. *TR
GAS GAUGE NOT WORKING ON 2005 GMC 1500 PICKUP. *KB
PRIOR TO THE BEGINNING OF THIS PROBLEM, THE VEHICLE WAS OPERATING NORMALLY. WHEN THE VEHICLE WAS REFUELED TO FULL, A STRONG SMELL OF GASOLINE WOULD SURROUND THE VEHICLE AND FUEL WOULD BEGIN TO DRIP FROM UNDER THE VEHICLE IN THE AREA OF THE FUEL TANK. WHEN TANK WAS FILLED ONLY PARTIALLY (BELOW 75%) ONLY THE STRONG SMELL OF GASOLINE WOULD OCCUR AFTER REFUELING. THE VEHICLE WAS TAKEN TO A GM DEALERSHIP AND AN INSPECTION WAS PERFORMED AND A CRACK WAS FOUND IN THE FUEL TANK WHERE THE FILLER NECK ATTACHES TO THE BODY OF THE FUEL TANK. THE FUEL TANK WAS REPLACED AND THE PROBLEM HAS BEEN CORRECTED. *TR
FUEL TANK VENT SYSTEM PLUGS UP WITH DUST. - CAUSES FUEL TO SPILL WHEN USING AUTOMATIC FILLERS, ALSO SERVICE ENGINE SOON LIGHT. - HAD TO REPLACE CANISTER (FULL OF DUST) AND PURGE SOLENOID AT 95,000 MILES. *TR
DT*: THE CONTACT STATED, WHILE TRAVELING ON A HIGHWAY AT 55MPH., ALL POWER FAILED IN THE VEHICLE. ALTHOUGH THERE WAS NOT AN ACCIDENT, THERE WAS DAMAGE TO THE RIGHT FENDER, THE COMPRESSOR AND THE RIGHT REAR TIRE OF THE VEHICLE WHILE BEING TOWED. THE CONTACT INCURRED AN INJURY TO LEFT KNEE. THERE WAS NO POLICE REPORT FILED. THE VEHICLE WAS TOWED TO A SERVICE DEALER WHERE THE FUEL SENSOR WAS REPLACED. THE MANUFACTURER RECOMMENDED LOCATIONS FOR THE TRAILER AND COMPRESSOR TO BE REPAIRED.
I OWN A 2003 2500 HD 4X4, A WONDERFUL VEHICLE IT WOULD BE EVEN MORE WONDERFUL IF I COULD FIND A DEALER THAT WOULD STAND BEHIND HIS PRODUCT. MY NEXT CAR PROBABLY WILL NOT BE GMC OR CHEVY. I HAVE OWNED THE CAR SINCE JUNE OF 2003. DUE TO THE NATURE OF MY BUSINESS I ALREADY HAVE 98,000 MILES. DURING THAT TIME I HAVE COMPLAINED ABOUT FUEL MILEAGE. THE REPORTS LIE. NOBODY WILL DO ANYTHING ABOUT THE FUEL MILEAGE. BECAUSE IT CAN'T GET ANY BETTER BECAUSE THEY LIED. I HAVE LOST A VACCUME PUMP, AND A LEFT FRONT WHEEL HUB WHICH HAD TO BE COMPLETELY REPLACED. WHAT PROMPTED MY COMPLAINT IS THAT I HAVE STARTED DEVELOPING A VIBRATION AT 77-83 MPH. DEALER REP SAYS YOU SHOULDN'T BE DOING 80 MPH. THEREFORE SINCE OUR MECHANICS CAN'T SPEED IN YOUR VEHICLE ( COMPLETELY UNDERSTANDABLE) YOU DON'T HAVE A VIBRATION. DESPITE THE FACT THAT THE VIBRATION OCCOURS AT 80MPH I STILL HAVE A VIBRATION AND JUST BECAUSE IT IS AGAINST THE LAW, ( 75 IS ABOUT THE NORM ON OUR HIGHWAYS), DOESN'T MEAN I DON'T HAVE A VIBRATION. MY GUESS IS THAT IT IS EITHER ANOTHER WHEEL HUB, OR SOMETHING IN THE INSTALLATION OF THE NEW VACCUME PUMP. BECAUSE AFTER THEY REPLACED THAT IT RAN GOOD FOR AWHILE. THE VIBRATION IS GETTING WORSE AND I AM AT 97-98,000 MILES. VEHICLE IS ALSO STARTING TO SURGE, BUT NOT ALL THE TIME. FROM WHAT I HAVE READ ABOUT THE OTHER COMPLAINTS IT COULD BE THE AC ACTING UP. BUT SINCE IT WASN'T SURGING THIS TIME, WELL IF YOUR A CONSUMER READING THIS YOU KNOW THE STORY. I HAVE TOLD YOU ALL THE BAD. NOW FOR SOME GOOD.... THE BRAKE SYSTEM ON THIS CAR IS BEAUTIFUL I AM STILL LESS THAN HALF ALL THE WAY AROUND. THE BRAKE SYSTEM IS PERFECTLY TUNED FROM FRONT TO BACK. I HAVE HAULED CARS AND TRAILORS FROM TIME TO TIME AND THE ENGINE TRANSMISSION AND BRAKES ALL WORK TOGETHER BEAUTIFULLY. ITS THE SERVICE I AM COMPLAINING ABOUT.
DT: 2005 GMC SIERRA. THE VEHICLE SPRAYED FUEL OUT OF IT'S GAS TANK. CONSUMER TOOK THE VEHICLE TO THE DEALERSHIP BUT THERE WAS NO SOLUTION FOR THE PROBLEM. THE FUEL DID NOT STOP PUMPING FROM THE REAR TANK TOT HE FRONT TANK. THE CONSUMER WAS TOLD NOT TO PUT FUEL IN THE REAR TANK, BUT THE GAUGES DID NOT WORK ON THE VEHICLE, AND HE DID NOT KNOW WHEN THE FRONT TANK WAS FULL. THIS HAS ALWAYS HAPPENED WITH THE VEHICLE. HE CALLED THE DEALERSHIP 3 HOURS AFTER PURCHASING IT AND TOLD THEM OF THE PROBLEM. HE HAS ALSO CALLED GENERAL MOTORS AND THEY KNOW IT WAS A PROBLEM, BUT THEY DID NOT HAVE A SOLUTION FOR IT. WHILE DRIVING THE VEHICLE SPRAYED DIESEL FUEL ALL OVER A MOTORCYCLIST, SOAKING HIM IN FUEL. WHEN THE VEHICLE WAS TAKEN TO DEALER, THEY REACH IN AND BEND THE FLOW OUT OF THE WAY, BUT IT DID NOT FIX IT.*AK *NM
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