There are 2 stored owner reports matching the engine leading-label group for the 2014 Mazda Mazda5 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)I OWN A 2014 MAZDA 5. AFTER TWO YEARS OF OWNERSHIP. THE NUMBER 1 AND 4 CYLINDER ROD BEARINGS FAILED COMPLETELY. IT HAPPENED WHILE THE CAR WAS IN MOTION. PROPER OIL CHANGES WAS MAINTAINED DURING THIS PERIOD. THEY TOOK THE MOTOR APART FOUND CLEAN OIL, AND SHAVINGS.
TL* THE CONTACT OWNS A 2014 MAZDA 5. WHILE DRIVING VARIOUS SPEEDS, THE ENGINE REVVED AT A HIGH RATE AS IF THE VEHICLE WOULD TAKE OFF. THE FAILURE OCCURRED WHILE THE VEHICLE WAS PARKED AND THE ENGINE WAS WARMED UP. THE DEALER WAS UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.