Fuel/propulsion System problems — most reported vehicles
59,018 owner complaints filed with NHTSA name the fuel/propulsion system component group. Below are the model years with the most reports. Last verified Sep 21, 2026.
Counts are unique NHTSA complaints naming this component for each model year. Complaints are unverified owner reports, and raw totals favor high-volume sellers — a popular model can rank high simply because more of them are on the road.
All vehicles with fuel/propulsion system reports
Every model year in our complaint database with matching reports — 5,164 in total. Search or filter to find yours.
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