2007 Hummer H3 misfire / rough idle reports
8 NHTSA complaints describe misfiring cylinders or rough idling on the 2007 Hummer H3 — roughly 3% of all complaints for this model year.
8
Misfire / rough idle reports
3%
share of complaints
84,998 mi
median reported incident mileage (all complaints)
Components reported on this vehicle
Other symptoms owners describe on the 2007 Hummer H3
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2007 Hummer H3 report before drawing conclusions.