2001 GMC Denali Fuel system Problems
- Complaints
- 3about this part
- Share
- 14%of 22 total for the year
- Median mileage
- 57,450miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2001 GMC Denali, 14% of the 22 complaints for this model year. Where a mileage was given, the median is 57,450 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“1. Vehicle quit running on highway exit ramp. Engine would crank, but not start. Pushed to side of road. After several more attempts to start, engine did start. Would not restart next day. 2. Fuel pump wiring in the gas tank melted and one terminal in the module's connector exhibited signs of arcing/heat. 3. Both the fuel pump/sending unit module and the connector were replaced. I do have possession of both parts.”
NHTSA complaint #10145986, filed 2005-12, 50,600 milesRelated service bulletins
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10171878Jan 2, 2020This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended…
Fuel system: other model years
Other parts of the 2001 GMC Denali
6 complaintsTransmission and drivetrain
5 complaintsEngine cooling
3 complaintsSteering
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSeats
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
← All problems reported for the 2001 GMC Denali
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology