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2006 GMC Envoy Denali Xl

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

37 reports with mileage · 5 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel System, Gasoline. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports1 fire reports0 injury reports

Fuel/propulsion System complaints

3 reports
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210,465 miles · Apr 10, 2019
Fuel/propulsion SystemUnknown Or OtherVehicle Speed Control

THE INITIAL TIME (3/14) IT OCCURRED, I WAS OUT OF TOWN WITH MY FAMILY, EMBARRASSED TO SAY THE LEAST. HOWEVER, MAINLY UNCOMFORTABLE, TIRED, AND FRUSTRATED BECAUSE MY 87 YEARS OLD DAD WAS STRANDED FOR HOURS AS WELL AS MY 66 YEARS OLD SISTER WHO IS RECOVERING FROM CANCER. THIS PROBLEM WAS A SERIOUS PROBLEM BECAUSE OF OUR LOCATION. …

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THE INITIAL TIME (3/14) IT OCCURRED, I WAS OUT OF TOWN WITH MY FAMILY, EMBARRASSED TO SAY THE LEAST. HOWEVER, MAINLY UNCOMFORTABLE, TIRED, AND FRUSTRATED BECAUSE MY 87 YEARS OLD DAD WAS STRANDED FOR HOURS AS WELL AS MY 66 YEARS OLD SISTER WHO IS RECOVERING FROM CANCER. THIS PROBLEM WAS A SERIOUS PROBLEM BECAUSE OF OUR LOCATION. WE HAD GONE TO GET DINNER AND ICE CREAM AFTER GETTING ICE CREAM WE BACK IN THE VEHICLE FOR IT WOULD NOT START. I CALLED 911 NO POLICE EVER SHOWED NOR WOULD EVEN STOP TO ASSIST. AFTER 2 1/2 HOURS, WE CONTACTED A CHURCH MEMBER TO FIND OUT ABOUT A MECHANIC IN THE AREA THAT COULD POSSIBLY COME CHECK IT OUT. ANOTHER CHURCH MEMBER CAME TO CHECK IT FIRST, BY NOW 3 HOURS HAVE LAPSED AND THE VEHICLE STARTS. AFTER THIS IT HAS HAPPENED ON THREE (3) SEPARATE OCCASIONS WITH ME (3/19, 3/20, & 3/21) BUT MY MECHANIC SAID IT HAPPENED WITH HIM 3 OR 4 TIMES WHILE HE WAS DRIVING IT TO CHECK IT OUT AND WHILE IT WAS SITTING JUST RUNNING NOT BEING DRIVEN. I WAS ON THE INTERSTATE ONCE, ONCE DRIVING, AND ONCE PARKED AND IT WOULD NOT START. THE TIMES I WAS BY MYSELF ONCE WAS ON THE INTERSTATE, ANOTHER WAS GOING THROUGH AN INTERSECTION, AND ONCE WAS IN A HIGH CRIME AREA WHERE I FELT VERY UNSAFE FOR MY VEHICLE AND MYSELF. MY MECHANIC REPLACED THE CRANKSHAFT AND CAMSHAFT SENSORS AND THE PROBLEM PERSISTS. I HAD A DIAGNOSTIC TEST PERFORMED BUT WAS TOLD THE ITEMS LISTED ON THE TEST 'MAY' BE THE PROBLEM. I HAVE ALSO HAD A PROBLEM WITH IT ACCELERATING WHILE DRIVING AS IF THE GAS IS NOT DISTRIBUTING PROPERLY. IT WAS AS IF IT WAS CHOKING UP AS IF THERE WAS A CLOG. A DANGEROUS PLACE TO BE IN TRAFFIC OR GOING ACROSS A RAILROAD TRACK, WHICH IT HAS OCCURRED SEVERAL TIMES WITH ME. I ACTUALLY WAS ALMOST REAR ENDED ON THE INTERSTATE.

NHTSA ODI #11195441

110,000 miles · Mar 23, 2015
Fuel/propulsion System

THE GAS GAUGE HAS COMPLETELY STOPPED WORKING. IT CONSISTENTLY SHOWS AS EMPTY EVEN WHEN TANK IS FULL. *TR

NHTSA ODI #10701056

109,000 miles · Mar 13, 2015
Electrical SystemFuel/propulsion System

FUEL GAUGE GOES TO EMPTY WHEN FULL STOPPED IN TRAFFIC ON I75 WITH GRAND BABIES THEY SAY ITS THE FUEL SENSOR AND SENDING UNITS ARE BAD. *TR

NHTSA ODI #10694028

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

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.