There are 24 owner-reported fuel system complaints for the 2000 GMC Sierrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY GAS NEEDLE STOP WORKING AND I KNOW THREE OTHER PEOPLE WITH THE SAME PROBLEM
I STARTED SMELLING GASOLINE AND FOUND A CORRODED FUEL LINE AT THE JUNCTION BETWEEN THE NYLON LINE LEADING FROM THE FUEL PUMP TO THE STEEL LINE GOING TO THE FUEL FILTER. DOING REPAIRS, THE HARD BRAKE LINE LEADING FROM THE ABS UNIT UNDER THE DRIVER'S SEAT AREA TO THE REAR FLEX LINE CONNECTOR WAS LEAKING BADLY AS WELL AT THE REAR-MOST FITTING. PURCHASING THESE LINES SEPARATELY CANNOT BE DONE, SO I'M REPLACING ALL OF THE FUEL/BRAKE LINES MYSELF. I'M USING STAINLESS TUBING FOR THE BRAKE LINES NOT PROVIDED BY FACTORY GM PARTS. *TR
TL* THE CONTACT OWNS A 2000 GMC SIERRA 1500. THE CONTACT STATED THEY WERE TRAVELING 25 MPH AND THE FUEL TANK FAILED AND BEGAN TO LEAK GASOLINE. THE FIRE DEPARTMENT HAD TO COME OUT TO DISPOSE OF THE GASOLINE. THE TANK WAS CUT OFF AND SECURED BY THE FIRE DEPARTMENT. THE VEHICLE WAS DESTROYED BECAUSE THE STRAPS HOLDING THE TANK AND THE SURROUNDING AREAS WERE SEVERELY COVERED WITH RUST. THE FAILURE AND CURRENT MILEAGE WAS 125,000.
I WAS DRIVING ALONG AND FELT A DRAGGING SENSATION AND SCRAPING NOISE. I PULLED THE TRUCK OVER, LOOKED UNDERNEATH EXPECTING TO SEE THE MUFFLER DRAGGING. I WAS SOMEWHAT SURPRISED TO SEE THE GAS TANK RESTING ON THE STREET. THERE WAS A SMALL AMOUNT OF GASOLINE LEAKING ONTO THE STREET. I CALLED AAA TO COME TOW THE CAR. THEY SAID I NEEDED TO CALL THE FIRE DEPT., WHICH I DID [XXX] SOON THERE WERE 2 FIRE TRUCKS AND A HAZMAT VEHICLE. THEY PROCEEDED TO CALL THE MARYLAND DEPARTMENT OF THE ENVIRONMENT, AND 2 OF THEIR TRUCKS ARRIVED. THE FIRE DEPARTMENT CUT THE REMAINING STRAP AND REMOVED THE TANK. THE MDE PUMPED THE REMAINING FUEL INTO A METAL BARREL. IN LIGHT OF FORD'S RECALL ON 1.1 MILLION PICK-UP TRUCKS, I THOUGHT IT IMPORTANT TO REGISTER THIS REPORT AS IT IS POSSIBLE THAT GMC MIGHT BE USING THE SAME STRAPS TO SUPPORT THE GAS TANKS. I DO NOT HAVE VIN # AS THE VEHICLE WAS TOWED TO S & L AUTO [XXX] *JS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
TL* THE CONTACT OWNS A 2000 GMC SIERRA 1500. THE CONTACT STATED THE FUEL LEVEL GAUGE FAILED AND WAS PROVIDING INCORRECT FUEL LEVEL READING. THE FAILURE CAUSED THE CONTACT THE RUN OUT OF FUEL WHILE DRIVING. THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 63,000 AND THE APPROXIMATE CURRENT MILEAGE WAS 64,000.
THE LOWER HALF OF THE REAR GAS TANK STRAP HAS ROTTED OUT AND DISLODGED FROM THE UPPER HALF OF THE STRAP. THE FRONT STRAP ALSO HAS VISIBLE CORROSION. A VERY SERIOUS SITUATION. I WAS VERY FORTUNATE TO FIND THE LOWER HALF OF THE STRAP, AS I WAS MOVING FIREWOOD ON MY PROPERTY. I FEEL BLESSED THAT I FOUND THE ISSUE WHILE THE VEHICLE WAS NOT MOVING. I BELIEVE IF UNDETECTED, THE RELEASE OF THE GAS FROM THE CHASSIS WOULD HAVE LIKELY BEEN CATASTROPHIC. I AM VERY CONCERNED FOR OTHER VEHICLE OWNERS! *TR
TL* THE CONTACT OWNS A 2000 GMC SIERRA. THE CONTACT STATED THAT THE FUEL LINE STRAP FRACTURED. THE CONTACT REPAIRED THE FUEL LINE STRAP HIMSELF TO PREVENT IT FROM HANGING. NEITHER THE DEALER NOR THE MANUFACTURER WERE MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 96,000. THE VIN WAS UNAVAILABLE. UPDATED 09/07/2011 *LN *TR
TL* THE CONTACT OWNS A 2000 GMC SIERRA. THE CONTACT STATED THE FUEL GAUGE MALFUNCTIONED. THE CONTACT STATED THAT HE WAS UNABLE TO DETERMINE HOW MUCH FUEL WAS IN THE VEHICLE. THE CONTACT HAD NOT TAKEN THE VEHICLE TO THE DEALER OR A LOCAL MECHANIC FOR DIAGNOSTIC TESTING OR REPAIRS. THE FAILURE MILEAGE WAS 41,000. UPDATED 03/07/12
THE FUEL GAUGE IS BOUNCING ERRATICALLY EVERY TIME THE VEHICLE IS IN PARK OR NEUTRAL BUT IN NO OTHER GEAR. IT HAS BEEN FINE FOR YEARS BUT SUDDENLY STARTED ACTING UP. THE TRUCK RECEIVES REGULAR MAINTENANCE, BUT THE START OF THE PROBLEM DID NOT COINCIDE WITH ANY MAINTENANCE OR ANY EVENT. IT JUST STARTED HAPPENING. *TR
DT*: THE CONTACT STATED THAT WHILE BACKING OUT OF THE DRIVEWAY AND APPLYING PRESSURE TO THE BRAKES, THE PEDAL TOUCHED THE FLOOR AND THERE WAS EXTENDED STOPPING DISTANCE. THE VEHICLE WAS TAKEN TO THE DEALER WHO DETERMINED THAT THE PROBLEM WAS A RUSTED BRAKE LINE . UPDATED 8/30/2006 - *NM
MY GAS GUAGE ON MY 2000 GMC SIERRA PICKUP IS ACTING ERATIC. IT GOES BACK AND FORTH BETWEEN FULL AND EMPTY FOR NO APPARENT REASON. THIS STARTED SEVERAL MONTHS AGO. I DID A SEARCH ON GOOGLE AND FOUND THAT THIS SAME PROBLEM WAS BEING REPORTED TO AUTOMOTIVE HELP SITES BY A WHOLE LOT OF PEOPLE. SOME SAY IT IS THE SENDING UNIT IN THE GAS TANK - SOME DEALERSHIPS TOLD THEM THIS. THE COST TO DROP THE TANK AND FIX THE PROBLEM IS AROUND $800. EVEN IF YOU HAVE NOT RECEIVED ENOUGH COMPLAINTS TO FORCE A RECALL ON THIS ISSUE, YOU CAN EASILY SEE BY SEARCHING GOOGLE THAT THIS IS INDEED A MAJOR PROBLEM. I SUSPECT THAT NOT TOO MANY PEOPLE KNOW THAT THEY CAN FILL A COMPLAINT WITH THE NHTSA. THANK YOU...*NM
MY GAS GAUGE ON MY 2000 GMC SIERRA PICKUP IS ACTING ERRATIC. IT GOES BACK AND FORTH BETWEEN FULL AND EMPTY FOR NO APPARENT REASON. THIS STARTED ABOUT A YEAR AGO. THE DEALER SAID IT WAS PROBABLY THE SENDING UNIT IN THE TANK AND WOULD COST APPROX $800 THANK YOU...*AB *NM
GAS GAUGE ON 2000 GMC K1500 PICK UP TRUCK WORKING ERRATIC. SOMETIMES GAUGE GOES TO EMPTY AND THEN A CHECK ENGINE LIGHT GOES ON. I UNDERSTAND THAT A LOT OF PEOPLE WITH THESE TRUCKS ARE HAVING THE SAME PROBLEM. GMC NEEDS TO HAVE A RECALL THANKS. *JB
DT: THE CONSUMER OWNS A 2000 GMC SIERRA CLASSIC. HE HAD TO REPLACE A FUEL PUMP ASSEMBLY THAT WAS HOUSED INSIDE THE FUEL TANK. THERE WAS SOME RECALLS ON THIS VEHICLES BUT NOT FOR HIS MODEL. THERE WERE FOUR WIRES IN THE FUEL TANK TWO OF THE FOUR WIRES WERE MELTED TOGETHER INSIDE THE FUEL TANK. *JB
VEHICLE SPORADICALLY STARTS. DEALER ADVISED NEEDED A NEW FUEL PUMP, FILTER. INDEPENDANT SHOP STATED THERE WAS A SERVICE BULLETIN FOR THIS PROBLEM. INDEPENDANT FLUSHED INJECTORS AND REPLACED HOSE THAT WAS MELTING FROM GAS AS PER BULLETIN. TRUCK RAN GREAT FOR A WEEK AND THEN PROBLEM BEGAN AGAIN. TRUCK CURRENTLY WON'T START AGAIN. *AK
WHILE FILLING UP FOR GASOLINE THE GAS GAUGE WOULD REGISTER A HALF OF TANK. BUT THE DRIVER FILLED A FULL TANK AT THE GASOLINE PUMP. THIS INCIDENT HAS HAPPEN TWICE. THE DRIVER HAS CONTACTED THE DEALER FOR APPOINTMENT TO BRING IT IN. PLEASE PROVIDE ADDITIONAL INFORMATION.
I OWN A 2000 GMC SIERRA. I HAVE THE SAME PROBLEM WITH THE FUEL GAUGE SYSTEM AS THE 2000 CHEVROLET SIVERADO. THE FUEL GAUGE READ ERRADICALLY THEN LOW FUEL LIGHT COMES ONE EVEN THOUGH TANK FULL OF FUEL. THERE SHOULD BE A RECALL ON THIS DEFECT. WAS TOLD THE PROBLEM IS WITH THE FUEL LEVELING SENSOR. *NM
WHEN STARTING UP THE VEHICLE IT RAN ROUGHLY, AND A SMELL OF FUEL WAS NOTICEABLE. CONSUMER TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC, WHO DIAGNOSED THE VEHICLE AND SAID IT WAS THE PLENUM CHAMBER AND GASKET THAT WAS CAUSING THE VEHICLE TO SMELL LIKE FUEL WHEN STARTING UP. *AK
THE FUEL LEVEL GAUGE IN MY 2000 GMC SIERRA HAS BEEN ERRATIC AND IS NOW CONSISTENTLY REPORTING THE TANK IS EMPTY EVERY TIME I FILL IT UP AND IT WILL THEN KEEP FLIPPING BETWEEN FULL AND EMPTY FOR ABOUT THE FIRST 100 MILES AFTER FILL UP. I CANNOT TRUST THE GAUGE ANY LONGER TO TELL ME WHEN THE TANK IS GETTING LOW EITHER, AS IT WILL SHOW 1/8 TO 1/4 EVEN WHEN IT WILL TAKE 26 OR SO GALLONS OF GAS. THIS SEEMS TO BE A FAULTY LEVEL SENSOR THAT IS AFFECTED WHEN THE TANK IS FULL, MOSTLY, AND I AM CONCERNED THAT THE ELECTRICAL SYSTEM CONNECTING TO THE SENSOR IN THE TANK MAY BE SHORTING OUT IN THE TANK NEAR OR IN THE PRESENCE OF GASOLINE! I UNDERSTAND THIS IS A COMMON PROBLEM WITH THESE VEHICLES AND SUGGEST THAT IT SHOULD BE RECALLED AND FIXED BY THE MANUFACTURER. *JB
CONTINUED HARD STARING, NO STARTING, STALLING, AND SPUTTERING WHILE DRIVING. *NLM
Showing 1–20 of 24 complaints
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