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Fuel systemPart report

2003 Hummer H2 SUT Fuel system Problems

Complaints
1about this part
Share
20%of 5 total for the year
Median mileage
127,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the fuel system of the 2003 Hummer H2 SUT, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 127,000 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.

“Started smelling strong fuel smells so took vehicle to dealer. Dealer called and asked me to stop back because when they dropped fuel tank they discovered fuel lines running from gas tank were so badly corroded through that were spraying pin-streams of raw gas all over the underside of my vehicle. Said it was a miracle I did not explode or catch fire. Mechanic then asked me to also look at every brake line on the truck which were also so badly corroded and deteriorating that he said they were a real danger as well and all needed to be replaced asap at huge expense. …”

NHTSA complaint #10474197, filed 2012-09, 127,000 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2003120%

Other parts of the 2003 Hummer H2 SUT

Visibility (wipers, defrost, mirrors)
4 complaints

← All problems reported for the 2003 Hummer H2 SUT

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