There are 2 stored owner reports matching the engine leading-label group for the 2018 Toyota Sienna 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)The contact owns a 2018 Toyota Sienna. The contact stated while driving at an undisclosed speed, the vehicle jerked and lost motive power. In addition, the contact stated that on several occasions the vehicle shut off independently. The vehicle was taken to the dealer; however, the failure could not be duplicated. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. In addition, the contact stated that the vehicle was taken to the dealer several times due to the failure. The contact stated that the failure began in 2019 but had become a persistent failure. The contact stated the vehicle was repaired under of an unknown recall and the fuel pump was replaced in 2020; however, the failure reoccurred. The manufacturer was not made aware of the failure. The failure mileage was unknown.
TL* THE CONTACT OWNS A 2018 TOYOTA SIENNA. WHILE DRIVING AT LOW SPEEDS MAKING A RIGHT TURN THE OIL WARNING INDICATOR LIGHT ILLUMINATED AND CONTACT NOTICED THE OIL WAS LOW. THE VEHICLE WAS TAKEN TO MECHANICSVILLE TOYOTA 6546 MECHANICSVILLE TURNPIKE, MECHANICSVILLE, VA 23111(804) 559-8000 WHERE IT WAS DIAGNOSED THAT THE OIL WAS LOW AND ADDITIONAL OIL NEEDED TO BE ADDED.THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS CONTACTED BUT NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS 3,700. THE VIN WAS NOT AVAILABLE.
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 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.