NHTSA Complaint #11388405 — 2007 HUMMER H3 ENGINE

Complaint Details

ODI Number	11388405
Vehicle	2007 HUMMER H3
Component	ENGINE
Date of Incident	January 12, 2021
Date Filed	January 16, 2021
Mileage	95,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

VEHICLE MISFIRES FREQUENTLY. ENGINE WILL NEARLY STALL AT IDLE DUE TO MISFIRES AND SHAKE THE WHOLE VEHICLE. LACK OF POWER AND EFFICIENCY. AND JUDDERING WHILE ACCELERATING. IT IS KNOWN TO GM AND MANY PEOPLE HAVE HAD TO RESORT TO CYLINDER HEAD REPLACEMENTS COSTING HUNDREDS AT A MINIMUM.

Related Complaints for the 2007 HUMMER H3

Other ENGINE Complaints

#11421692 — June 21, 2021 — The contact owns a 2007 Hummer H3. The contact stated while driving at 50 mph, the vehicle started to overheat and st...

#11391170 — February 2, 2021 — ON 3/13/2020 MY WIFE WAS DRIVING OUR 2007 HUMMER H3 WHEN THE ENGINE COMPARTMENT AND DASH AREA CAUGHT ON FIRE. THE BL...

#11344113 — August 8, 2020 — OIL LIGHT COMES ON WHEN IDLE. TRUCK LOSES PRESSURE. NO DEALERSHIP SOLUTION.

#11292047 — December 30, 2019 — TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 35 MPH, THE ENGINE OIL INDICATOR ILLUMINATED AND AN ODOR EMITTED...

#11289116 — December 15, 2019 — DRIVING DOWN THE ROAD AND IT STOP AND IT WOULD NOT START ENGINE LOCK UP

Recent Complaints for the 2007 HUMMER H3

#11664822 — ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER — June 4, 2025 — Odometer Fraud. The contact purchased a 2007 Hummer H3. The contact discovered that there was a mileage discrepancy. ...

#11568962 — SUSPENSION — January 31, 2024 — The problem was unknown to me and probably would be to any vehicle owner that is not a mechanic. I was driving a deat...

#11528330 — UNKNOWN OR OTHER — June 22, 2023 — Louver hood vent cover flew off on the highway as I was driving.

#11489526 — STRUCTURE — October 17, 2022 — The contact owns a 2007 Hummer H3. The contact stated that while driving at various speeds, the hood louvers loosened...

#11483351 — FUEL/PROPULSION SYSTEM — September 7, 2022 — I have the well known issue with the passkey security system. Nothing is wrong mechanically with the car but the secu...