2014 GMC Sierra Denali Fuel system Problems
- Complaints
- 1about this part
- Share
- 7%of 14 total for the year
- Median mileage
- 78,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2014 GMC Sierra Denali, 7% of the 14 complaints for this model year. Where a mileage was given, the median is 78,000 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.
“I started my truck and noticed a heavy smell of gasoline coming from the HVAC vents. I stepped out of the vehicle and noticed a large puddle of (fuel) gasoline on the pavement and a constant drip of (fuel) gasoline coming from the rear of the motor. I proceeded to turn the vehicle off and contact my local GM dealer for assistance.”
NHTSA complaint #11118585, filed 2018-08, 78,000 milesRelated service bulletins
- 11007095Aug 7, 2024This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles…
- 11004727Jun 29, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 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…
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10241417Aug 1, 2023This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 10234144Mar 20, 2023This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 10222823Sep 27, 2022This service bulletin provides information on availability of Diesel Fuel additives.
Fuel system: other model years
Other parts of the 2014 GMC Sierra Denali
4 complaintsOther or unknown
4 complaintsAir bags
2 complaintsBody and structure
2 complaintsEngine
1 complaintsExterior lighting
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaintsWheels
1 complaints
← All problems reported for the 2014 GMC Sierra Denali
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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