There are 1 owner-reported fuel system complaints for the 2009 Hummer H3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY WIFE WAS DRIVING TO WORK AND THE REDUCED POWER ALARM CAME ON THE CAR WAS JUST DRIVING LIKE IT WAS GOING TO SHUT DOWN.., *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026