2026 Jeep Grand Cherokee L misfire / rough idle reports
5 NHTSA complaints describe misfiring cylinders or rough idling on the 2026 Jeep Grand Cherokee L — roughly 26% of all complaints for this model year.
5
Misfire / rough idle reports
26%
share of complaints
—
median reported incident mileage (all complaints)
Components reported on this vehicle
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 2026 Jeep Grand Cherokee L report before drawing conclusions.