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Fuel systemPart report

2008 GMC Yukon Denali XL Fuel system Problems

Complaints
2about this part
Share
5%of 42 total for the year
Median mileage
80,034miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the fuel system of the 2008 GMC Yukon Denali XL, 5% of the 42 complaints for this model year. Where a mileage was given, the median is 80,034 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.

“This is twice that I've received the p2138 throttle body sensor code, which causes reduced engine power and has subsequent issues around stabilitrack/awd. The first time was in the middle of an intersection, we limped out of the intersection at 3 MPH. Today, my wife limped home from the store. This is extremely frustrating and should have been recalled a long time ago!!”

NHTSA complaint #10661100, filed 2014-11, 117,568 miles

“Strong gasoline fumes leaking into the vehicles passenger's interior of a 2008 yukon xl denali. It occurs intermittently, but is an overpowering odor causing nausea and dizziness, and partial blackouts of driver and passengers. No problems evident.”

NHTSA complaint #10421143, filed 2011-08, 42,500 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201523%
200825%
200712%
200619%
200526%
200424%

Other parts of the 2008 GMC Yukon Denali XL

Air bags
17 complaints
Other or unknown
8 complaints
Body and structure
6 complaints
Electrical system
4 complaints
Engine
4 complaints
Electronic stability control
3 complaints
Latches, locks and linkages
3 complaints
Transmission and drivetrain
2 complaints
Wheels
2 complaints
Brakes
1 complaints
Engine cooling
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 2008 GMC Yukon Denali XL

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