Vehicle Data Hub

2006 GMC Envoy Denali XL fuel system problems

19 complaints about fuel system have been filed for the 2006 GMC Envoy Denali XL, which is 31% of all its NHTSA complaints. It is the most reported problem area for this model year.

At a glance

Complaints
19 31% of this year's complaints
Typical mileage
60,000 miles 19 complaints with mileage
Crashes and fires
0 and 0
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When fuel system problems show up

Fuel system complaints by mileage, 2006 GMC Envoy Denali XL Complaints by odometer reading in 20,000-mile steps. The median is about 60,000 miles. 0k to 20k miles: 0 complaints 20k to 40k miles: 1 complaints 40k to 60k miles: 8 complaints 60k to 80k miles: 5 complaints 80k to 100k miles: 1 complaints 100k to 120k miles: 2 complaints 120k to 140k miles: 1 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 1 complaints 040k80k120k160k200k miles Typical: 60,000 miles
Based on 19 complaints that include mileage. 47% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles0
20k to 40k miles1
40k to 60k miles8
60k to 80k miles5
80k to 100k miles1
100k to 120k miles2
120k to 140k miles1
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles1

What the data shows

Of the 19 fuel system complaints that report mileage, the median is about 60,000 miles, and 47% were reported before 60,000 miles.

None of the fuel system complaints mention a crash, fire, injury or death.

What owners wrote

While driving, check engine light came on. Fuel tank gauge started to continually shift from whatever state the fuel tank was in to empty then after some time revert back to normal fuel capacity at the time. Contacted onstar for a diagnostic and they stated there is a problem with the fuel sending unit.

Reported at 21,000 miles, August 2007

Tl* the contact owns a 2006 GMC envoy denali xl. The contact stated that the vehicle failed to accelerate over 40 MPH. The contact also stated that the engine and the low fuel warning lights illuminated although the fuel level was at max. The vehicle was taken to the dealer where the contact was informed that the throttle body and fuel pump needed to be replaced. The failure mileage was 128,623 and the current mileage was 138,182...updated 04-03-13 updated 04/22/2013

Reported at 128,623 miles, July 2012

Fuel system problems in other years

Fuel system problems across all GMC models