NHTSA owner reports · September 18, 2026 snapshot.
Fuel System, Other complaints
41 reportsClear category filter47,807 miles · Feb 10, 2010
Fuel System, OtherVehicle Speed Control
ITEM 1: FUEL GAGE LOCATED ON INSTRUMENT PANEL READS EMPTY AFTER TANK IS FILLED TO MAXIMUM, LIGHT GOES ON INDICATING TANK SOON TO BE EMPTY, AFTER FUEL IS ADDED GAGE FLUCTUATES OFTEN FROM EMPTY TO 3/4 FILLED THEN 1/2 TANK THEN BACK TO EMPTY READING WHICH MAKES ME CONSTANTLY REFUELING TANK .THIS PROBLEM OCCURS WHILE VEHICLE IS IN …
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ITEM 1: FUEL GAGE LOCATED ON INSTRUMENT PANEL READS EMPTY AFTER TANK IS FILLED TO MAXIMUM, LIGHT GOES ON INDICATING TANK SOON TO BE EMPTY, AFTER FUEL IS ADDED GAGE FLUCTUATES OFTEN FROM EMPTY TO 3/4 FILLED THEN 1/2 TANK THEN BACK TO EMPTY READING WHICH MAKES ME CONSTANTLY REFUELING TANK .THIS PROBLEM OCCURS WHILE VEHICLE IS IN OPERATION..ITEM 2 SPEEDOMETER FLUCTUATES READING 80 MILES IN SPEED ACTUALLY NO SUCH SPEED IS BEING DRIVEN THEN RETURNS TO ZERO MILES CONTINUES TO MOVE SO ERRATICALLY. DEALER SERVICE ADVISOR STATED PROBLEM IS THE FUEL SENSOR SUPPRESSOR LOCATED IN THE FUEL TANK, STATES TANK MUST BE DROPPED DOWN DURING REPAIR, RECOMMENDED SHOULD REPLACE FUEL PUMP NOW SINCE TANK WAS ACCESSIBLE GOOD OPPORTUNITY IN REPLACING ALSO THIS ITEM AND I WOULD BE COVERED WITH LIFETIME WARRANTY IN FUTURE IF NEED OF REPAIR. FUEL PUMP PRICE $480.00. I DECLINED REPAIR ONLY FUEL SENSOR/SUPPRESSOR, CHECK SPEEDOMETER GAGE. SERVICE ADVISOR STATED THIS ITEM WAS NOT RECALLED OR COVERED, THIS FINANCIALLY SETS ME BACK NOW SINCE ON A SET INCOME.THIS BECAUSE MYSELF A DISABLED VIETNAM VETERAN. HOPE NO MORE PROBLEMS WOULD BE FOUND ON MY VEHICLE THESE. THIS PART ALONE WOULD COST $380.00 NOT INCLUDING REPAIR CHARGES. VEHICLE WAS IN FOR MAINTENANCE SERVICE OIL CHANGE, RADIATOR FLUSH, TUNE UP, TRANSMISSION SERVICE. PERSONALLY ALWAYS HAVE RECOMMEND GM VEHICLES/PRODUCTS TO ALL ASSOCIATES, FAMILY, FRIENDS & ACQUAINTANCES. I OWN A CLASSIC ORIGINAL 1947 PONTIAC 8 FLATHEAD, 4 DOOR STREAMLINER.TODAY JUST DISAPPOINTED WITH THESE ISSUES MAY HAVE RESULTED TO ACCIDENTS LEADING TO BODILY INJURIES, OR FATALITIES. COMPLAINTS HAVE BEEN FILED WITH THIS MODEL AMONG OTHER ISSUES.& CONCERNS. WOULD APPRECIATE INVESTIGATION THE MANY COMPLAINTS ON FILE THRU YEARS 2001-2008 MAKE & MODELS ALSO SET AS PRIORITY BEFORE ANY FUTURE ACCIDENTS OR DEATHS OCCUR. WITH QUICK RESPONSE & ACTION GMC CAN AVOID MANY BAD REACTIONS AGAINST THEIR HISTORY OF GREAT QUALITY AND IT'S EXCELLENT COMMITMENT TO CUSTOMER SATISFACTION. *TR
NHTSA ODI #10308243
47,807 miles · Feb 10, 2010
Fuel System, OtherVehicle Speed Control
ITEM 1: FUEL GAGE LOCATED ON INSTRUMENT PANEL READS EMPTY AFTER TANK IS FILLED TO MAXIMUM, LIGHT GOES ON INDICATING TANK SOON TO BE EMPTY, AFTER FUEL IS ADDED GAGE FLUCTUATES OFTEN FROM EMPTY TO 3/4 FILLED THEN 1/2 TANK THEN BACK TO EMPTY READING WHICH MAKES ME CONSTANTLY REFUELING TANK .THIS PROBLEM OCCURS WHILE VEHICLE IS IN …
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ITEM 1: FUEL GAGE LOCATED ON INSTRUMENT PANEL READS EMPTY AFTER TANK IS FILLED TO MAXIMUM, LIGHT GOES ON INDICATING TANK SOON TO BE EMPTY, AFTER FUEL IS ADDED GAGE FLUCTUATES OFTEN FROM EMPTY TO 3/4 FILLED THEN 1/2 TANK THEN BACK TO EMPTY READING WHICH MAKES ME CONSTANTLY REFUELING TANK .THIS PROBLEM OCCURS WHILE VEHICLE IS IN OPERATION..ITEM 2 SPEEDOMETER FLUCTUATES READING 80 MILES IN SPEED ACTUALLY NO SUCH SPEED IS BEING DRIVEN THEN RETURNS TO ZERO MILES CONTINUES TO MOVE SO ERRATICALLY. DEALER SERVICE ADVISOR STATED PROBLEM IS THE FUEL SENSOR SUPPRESSOR LOCATED IN THE FUEL TANK, STATES TANK MUST BE DROPPED DOWN DURING REPAIR, RECOMMENDED SHOULD REPLACE FUEL PUMP NOW SINCE TANK WAS ACCESSIBLE GOOD OPPORTUNITY IN REPLACING ALSO THIS ITEM AND I WOULD BE COVERED WITH LIFETIME WARRANTY IN FUTURE IF NEED OF REPAIR. FUEL PUMP PRICE $480.00. I DECLINED REPAIR ONLY FUEL SENSOR/SUPPRESSOR, CHECK SPEEDOMETER GAGE. SERVICE ADVISOR STATED THIS ITEM WAS NOT RECALLED OR COVERED, THIS FINANCIALLY SETS ME BACK NOW SINCE ON A SET INCOME.THIS BECAUSE MYSELF A DISABLED VIETNAM VETERAN. HOPE NO MORE PROBLEMS WOULD BE FOUND ON MY VEHICLE THESE.THIS PART ALONE WOULD COST $380.00 NOT INCLUDING REPAIR CHARGES. VEHICLE WAS IN FOR MAINTENANCE SERVICE OIL CHANGE, RADIATOR FLUSH, TUNE UP, TRANSMISSION SERVICE. PERSONALLY ALWAYS HAVE RECOMMEND GM VEHICLES/PRODUCTS TO ALL ASSOCIATES, FAMILY, FRIENDS & ACQUAINTANCES. I OWN A CLASSIC ORIGINAL 1947 PONTIAC 8 FLATHEAD, 4 DOOR STREAMLINER.TODAY JUST DISAPPOINTED WITH THESE ISSUES MAY HAVE RESULTED TO ACCIDENTS LEADING TO BODILY INJURIES, OR FATALITIES. COMPLAINTS HAVE BEEN FILED WITH THIS MODEL AMONG OTHER ISSUES.& CONCERNS. WOULD APPRECIATE INVESTIGATION THE MANY COMPLAINTS ON FILE THROUGH YEARS 2001-2008 MAKE & MODELS ALSO SET AS PRIORITY BEFORE ANY FUTURE ACCIDENTS OR DEATHS OCCUR. WITH QUICK RESPONSE & ACTION GMC CAN AVOID MANY BAD REACTIONS AGAINST THEIR HISTORY OF GREAT QUALITY AND IT'S EXCELLENT COMMITMENT TO CUSTOMER SATISFACTION. *TR
NHTSA ODI #10308240
47,807 miles · Feb 10, 2010
Fuel System, OtherVehicle Speed Control
ITEM 1: FUEL GAGE LOCATED ON INSTRUMENT PANEL READS EMPTY AFTER TANK IS FILLED TO MAXIMUM, LIGHT GOES ON INDICATING TANK SOON TO BE EMPTY, AFTER FUEL IS ADDED GAGE FLUCTUATES OFTEN FROM EMPTY TO 3/4 FILLED THEN 1/2 TANK THEN BACK TO EMPTY READING WHICH MAKES ME CONSTANTLY REFUELING TANK . THIS PROBLEM OCCURS WHILE VEHICLE IS IN…
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ITEM 1: FUEL GAGE LOCATED ON INSTRUMENT PANEL READS EMPTY AFTER TANK IS FILLED TO MAXIMUM, LIGHT GOES ON INDICATING TANK SOON TO BE EMPTY, AFTER FUEL IS ADDED GAGE FLUCTUATES OFTEN FROM EMPTY TO 3/4 FILLED THEN 1/2 TANK THEN BACK TO EMPTY READING WHICH MAKES ME CONSTANTLY REFUELING TANK . THIS PROBLEM OCCURS WHILE VEHICLE IS IN OPERATION..ITEM 2 SPEEDOMETER FLUCTUATES READING 80 MILES IN SPEED ACTUALLY NO SUCH SPEED IS BEING DRIVEN THEN RETURNS TO ZERO MILES CONTINUES TO MOVE SO ERATICALLY. DEALER SERVICE ADVISOR STATED PROBLEM IS THE FUEL SENSOR SUPPRESSOR LOCATED IN THE FUEL TANK, STATES TANK MUST BE DROPPED DOWN DURING REPAIR, RECOMMENDED SHOULD REPLACE FUEL PUMP NOW SINCE TANK WAS ACCESSIBLE GOOD OPPORTUNITY IN REPLACING ALSO THIS ITEM IS COVERED WITH LIFETIME WARRANTY. FUEL PUMP PRICE $480.00. I DECLINED REPAIR ONLYREPAIR FUEL SENSOR/SUPPRESSOR, CHECK SPEEDOMETER GAGE. SERVICE ADVISOR STATED THIS ITEM WAS NOT RECALLED OR COVERED, THIS FINANCIALLY SETS ME BACK NOW SINCE ON A SET INCOME.THIS BECAUSE MYSELF A DISABLED VIETNAM VETERAN. HOPE NO MORE PROBLEMS WOULD BE FOUND ON MY VEHICLE THESE.THIS PART ALONE WOULD COST $380.00 NOT INCLUDING REPAIR CHARGES. VEHICLE WAS IN FOR MAINTENANCE SERVICE OIL CHANGE, RADIATOR FLUSH, TUNE UP, TRANSMISSION SERVICE. PERSONALLY ALWAYS HAVE RECOMMEND GM VEHICLES/PRODUCTS TO ALL ASSOCIATES, FAMILY, FRIENDS & ACQUAINTANCES. I OWN A CLASSIC ORIGINAL 1947 PONTIAC 8 FLATHEAD, 4 DOOR STREAMLINER.TODAY JUST DISAPPOINTED WITH THESE ISSUES MAY HAVE RESULTED TO ACCIDENTS LEADING TO BODILY INJURIES, OR FATALITIES. COMPLAINTS HAVE BEEN FILED WITH THIS MODEL AMONG OTHER ISSUES.& CONCERNS. WOULD APPRECIATE INVESTIGATION THE MANY COMPLAINTS ON FILE THROUGH YEARS 2001-2008 MAKE & MODELS ALSO SET AS PRIORITY BEFORE ANY FUTURE ACCIDENTS OR DEATHS OCCUR. WITH QUICK RESPONSE & ACTION GMC CAN AVOID MANY BAD REACTIONS AGAINST THEIR HISTORY OF GREAT QUALITY AND IT'S EXCELLENT COMMITMENT TO CUSTOMER SATISFACTION. *TR
NHTSA ODI #10308239
56,000 miles · Jan 28, 2010
Fuel System, GasolineFuel System, Other
MY 2005 GMC ENVOY GAS GAUGE BEGAN TO BECOME ERRATIC IN NOVEMBER OF 09. AT THAT TIME IT WOULD WORK SOME TIMES AND NOT OTHERS. AFTER A FEW WEEKS IT STOPPED WORKING IN ANY MANNER AND CONSTANTLY FLUCTUATES UP AND DOWN, CAUSING THE LOW FUEL INDICATOR TO GO ON AND OFF. THIS OCCURS EVEN WHEN THE VEHICLE HAS JUST BEEN FILLED WITH GAS …
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MY 2005 GMC ENVOY GAS GAUGE BEGAN TO BECOME ERRATIC IN NOVEMBER OF 09. AT THAT TIME IT WOULD WORK SOME TIMES AND NOT OTHERS. AFTER A FEW WEEKS IT STOPPED WORKING IN ANY MANNER AND CONSTANTLY FLUCTUATES UP AND DOWN, CAUSING THE LOW FUEL INDICATOR TO GO ON AND OFF. THIS OCCURS EVEN WHEN THE VEHICLE HAS JUST BEEN FILLED WITH GAS AND THE GAS CAP TIGHTENED. THE ONLY WAY TO MONITOR GAS AT THIS TIME IS THROUGH TRACKING MILEAGE. VEHICLE WILL RANDOMLY STALL WHEN IDLE. THE STALLING IS NOTED TO BE OCCURRING MORE FREQUENTLY THE LONGER THIS GOES UNREPAIRED. STALLING AT LIGHTS, IN PARKING LOTS AND WHILE BACKING UP PUTS US AT RISK OF BEING HIT BY ANOTHER VEHICLE. ALSO THE INABILITY TO ACCURATELY MONITOR THE AMOUNT OF GAS IN THE VEHICLE PUTS MYSELF AND MY FAMILY AT RISK OF BEING STRANDED WHILE TRAVELING. THE ONLY OTHER PERSON I KNOW WITH THIS SAME MAKE AND MODEL HAS THE SAME PROBLEM. CORRECTION IS REPLACEMENT OF THE PART WHICH IS BETWEEN $600 AND $800. *TW
NHTSA ODI #10302938
45,000 miles · Jan 26, 2010
Fuel System, Other
2005 GMC ENVOY GAS GAUGE IS NOT WORKING. CAUSING INCREASED RISK OF RUNNING OUT OF GAS. *TR
NHTSA ODI #10302374
70,000 miles · May 13, 2009
Fuel System, Other
TL*THE CONTACT OWNS A 2005 GMC ENVOY. WHILE DRIVING 45 MPH, THE CONTACT NOTICED THAT THE FUEL LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THIS INDICATED THAT THE VEHICLE WAS LOW ON FUEL, BUT IN REALITY, THE VEHICLE WAS FULL OF GASOLINE. THE CONTACT NOTICED THAT WHEN THE FUEL TANK IS FULL, THE GAUGE WILL DISPLAY HALF OF A TANK.…
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TL*THE CONTACT OWNS A 2005 GMC ENVOY. WHILE DRIVING 45 MPH, THE CONTACT NOTICED THAT THE FUEL LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THIS INDICATED THAT THE VEHICLE WAS LOW ON FUEL, BUT IN REALITY, THE VEHICLE WAS FULL OF GASOLINE. THE CONTACT NOTICED THAT WHEN THE FUEL TANK IS FULL, THE GAUGE WILL DISPLAY HALF OF A TANK. WHEN HALF OF A TANK OF FUEL IS IN THE VEHICLE, THE GAUGE DISPLAYS THAT IT IS EMPTY. THE VEHICLE HAS NOT BEEN TAKEN TO THE DEALER FOR INSPECTION AND NO REPAIRS WERE PERFORMED. THE CONTACT IS IN THE PROCESS OF NOTIFYING THE MANUFACTURER. THE FAILURE MILEAGE WAS 70,000 AND CURRENT MILEAGE WAS 80,000.
NHTSA ODI #10268627
Mileage unknown · Feb 17, 2008
Fuel System, Other
THE GAS GAUGE ON OUR 2005 GMC ENVOY XL HAS STOPPED WORKING AGAIN. IT WAS FIXED ONCE UNDER WARRANTY AND NOW IT HAS HAPPENED AGAIN. TO THINK THIS IS NOT A SAFETY ISSUE IS A MISTAKE. *TR
NHTSA ODI #10218237
38,456 miles · Nov 7, 2007
Fuel System, GasolineFuel System, Other
RIGHT AFTER THE WARRANTY RAN OUT ON MY 05 GMC ENVOY THE GAS GAUGE STARTED BEEPING WHEN YOU WOULD FILL UP THE TANK. THEN IT STARTED TO NOT READ FULL WHEN IT WAS FILLED. NOW IT NEVER READS FULL AND WHEN THE TANK IS HALF EMPTY THE LIGHT WILL COME ON. IT WILL ALWAYS BEEP WHEN I FIRST START IT. THIS UNIT SHOULD NOT HAVE WENT OUT AFTE…
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RIGHT AFTER THE WARRANTY RAN OUT ON MY 05 GMC ENVOY THE GAS GAUGE STARTED BEEPING WHEN YOU WOULD FILL UP THE TANK. THEN IT STARTED TO NOT READ FULL WHEN IT WAS FILLED. NOW IT NEVER READS FULL AND WHEN THE TANK IS HALF EMPTY THE LIGHT WILL COME ON. IT WILL ALWAYS BEEP WHEN I FIRST START IT. THIS UNIT SHOULD NOT HAVE WENT OUT AFTER 36,000 MILES. THIS IS A FAULTY UNIT AND I BELIEVE THE MANUFACTURER SHOULD REPLACE IT. IF I WAS TO REPLACE IT MYSELF IT WOULD COST ME OVER $500.00 . TERRIBLE PRODUCT TERRIBLE PRODUCT THAT SHOULD BE INVESTIGATED. *TR
NHTSA ODI #10208155
66,000 miles · Aug 9, 2007
Electrical SystemFuel System, Other
REPORTED EARLIER GAS ODOMETER BROKE WHEN FUELING VEHICLE ON 2 SEPERATE OCCASSIONS, FIRST TIME FIXED, THEN AGAIN WHILE FUELING GAS, IT BROKE. FAILED TO MENTION MY PROBLEMS WITH THE SPEEDODOMETER. IT WAS FLUCTUATING ALL THE WAY UP, THEN ALL THE WAY DOWN IRRATICALLY BEFORE IT DROPPED DOWN TO THE MIDDLE. *JB
NHTSA ODI #10198983
79,900 miles · May 28, 2007
EquipmentFuel System, Other
1) IN BOTH INSTANCES WHILE PUMPING FUEL. 2) GAS GAUGE BEGAN TO MOVE ERRATICALLY WHILE DRIVING. 3) FIRST TIME THE FUEL LEVEL SENSOR WAS REPLACED BY DEALER, THE SECOND INSTANCE WE WERE ADVISED TO USE FUEL ADDITIVE AND HIGHER GRADE OF GAS, NO DIFFERENCE HAS BEEN DETECTED. *TR
NHTSA ODI #10191857
NHTSA investigations
2RQ17002 · Loss Of Headlights
Opened Apr 24, 2017 · Closed Mar 29, 2021
Status: closed (inferred from source dates) · Exterior Lighting:headlights
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.
DP10001 · Fuel Level Gauge System Failure
Opened Jan 7, 2010 · Closed May 23, 2011
Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Additional source detail variants (2)
Fuel System, Other
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.