Hummer H3 engine problems
30 complaint narratives mention engine terms.
Key facts
789 owner complaints analyzed
4 distinct recall campaigns
77,675 mi median reported failure mileage
Scope: 2003 to 2010 model years. Data snapshot: . 621 complaints include usable failure mileage.
Engine operation evidence
30 of 789 complaints match this topic (3.8%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 10321571 · 2010-03-23 (March 23, 2010)
1. DURING NORMAL DRIVING AND IDLEING I STARTED SEEING / HEARING THE ENGINE MISFIRE AND ILLUMINATION OF THE SERVICE ENGINE SOON (SES) I WOULD EXPERIENCE ABRUPT LOSS OF POWER OR SURGING OR IDLE ROUGHNESS. AFTER RESEARCH AND DEALER DIAGNOSIS WE FOUND THE EARLY HUMMER H3 HAS THE SAME ATLAS L52 I-5 ENGINE AS THE 04-05 CHEVROLET COLORADO. THE 04-05 CHEVEROLET COLORADO ATLAS L52 I-5 ENGINE WAS GIVEN A SPECIAL COVERAGE FOR SOFT ENGINE INTAKE VALVE SEATS, EXTENDED THE WARRANTY TO 7 YEARS AND 100,000 MILES UNDER TSB 07123 NHTSA # 10022722. TO FIX …
Owner-reported narrative. 60,000 miles reported. Look up ODI 10321571 at NHTSA ↗
Owner report 10357171 · 2010-09-23 (September 23, 2010)
TL*THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING APPROXIMATELY 65 MPH WITH THE CRUISE CONTROL ON THE ANTI LOCK BRAKING SYSTEM ENGAGED AND THE VEHICLE VIOLENTLY JERKED UNTIL IT STALLED. AFTER THE VEHICLE STOPPED HE WAS ABLE TO RESTART IT AND CONTINUE DRIVING NORMALLY. THE FAILURE RECURRED APPROXIMATELY 5 TIMES WHILE DRIVING AT VARIOUS SPEEDS AFTER HE DISENGAGED THE ANTI LOCK BRAKING SYSTEM FUSE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE HE WAS INFORMED THAT THE FAILURE OCCURRED WITHIN THE WHEEL SENSOR. THE WHEEL SENSOR WAS REPLA…
Owner-reported narrative. 37,000 miles reported. Look up ODI 10357171 at NHTSA ↗
Owner report 10401980 · 2011-05-17 (May 17, 2011)
LOSS OF POWER, WAS ABLE TO DRIVE TO THE LOCAL GM DEALER.MECHANIC STATED IT WAS DUE TO A VALVE SEAT COMING LOOSE IN THE HEAD.MECHANIC ALSO STATED THIS PROBLEM WAS A RECURRING PROBLEM IN THIS 5CYL ENGINE.THE SAME ENGINE THAT IS IN THE COLORADO PICKUPS AND IS COVERED UNDER WARRANTY IN THE PICKUPS BUT NOT THE HUMMER.
Owner-reported narrative. 65,000 miles reported. Look up ODI 10401980 at NHTSA ↗
Owner report 10466600 · 2012-07-19 (July 19, 2012)
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE SUDDENLY STALLED. THE CHECK ENGINE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL DURING THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSTIC TEST. THE TECHNICIAN STATED THAT THE ENGINE'S CYLINDER HEAD WOULD HAVE TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 103,000.
Owner-reported narrative. 103,000 miles reported. Look up ODI 10466600 at NHTSA ↗
Owner report 10547399 · 2013-10-09 (October 9, 2013)
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WOULD NOT ACCELERATE OVER 50 MPH. IN ADDITION, THE VEHICLE WOULD SPORADICALLY STALL WITH THE ILLUMINATION OF THE CHECK ENGINE WARNING LIGHT ILLUMINATED. ALSO, THE VEHICLE WOULD OVERHEAT WHEN THE FAILURE OCCURRED. THE VEHICLE WAS TAKEN TO A MECHANIC WHERE A DIAGNOSTIC WAS PERFORMED. THE DEALER ADVISED THAT THE CATALYTIC CONVERTER, AIR SENSOR, COIL SPRINGS, AND THE SPARK PLUGS NEEDED REPLACING. THE VEHICLE WAS REPAIRED BUT THE FAILURE PERSISTED. THE FAILURE MILEAGE WAS 80,…
Owner-reported narrative. 80,000 miles reported. Look up ODI 10547399 at NHTSA ↗