YearToAvoid

2014 Toyota Sienna Engine Problems

NHTSA lists 21 engine-related complaints for the 2014 Toyota Sienna, 13% of all complaints filed for the year, with a median failure mileage of 70,000 miles. There is no related recall on file for this issue.

Engine complaints
21
13% of 163
Crashes reported
1
Fires reported
2
Injuries reported
1
Median mileage
70,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners describe sudden unintended acceleration or RPM surges just as the vehicle comes to a stop, forcing them to brake hard and shift to neutral.
  • Some reports describe the engine catching fire shortly after a short drive, with smoke from the hood developing into flames.
  • Several owners describe a brief loss of throttle response after braking, where the van coasts at a slow speed for a few seconds before acceleration resumes.
  • A few complaints describe engine surging during cold weather starts, with the RPM spiking unexpectedly before returning to normal.
  • One owner describes a blown head gasket on the V6 engine occurring before 100,000 miles, mentioning that other owners reported the same failure.

When 2014 Toyota Sienna engine complaints were filed

First complaint Jan 26, 2014, latest Jul 6, 2026.

2014 Toyota Sienna engine complaints: complaints filed per month2Jan 2014Aug 2015Dec 2018Jul 2020Jun 2022Apr 2025Jul 2026
21 complaints filed with NHTSA from Jan 2014 to Jul 2026; peak Jan 2020 (2).

Engine recalls for the 2014 Toyota Sienna

No safety recalls on record for this model year.

Engine complaints by Sienna model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200599 (9%)
  2. 200665 (6%)
  3. 200783 (23%)
  4. 200899 (23%)
  5. 200926 (13%)
  6. 201027 (16%)
  7. 201148 (8%)
  8. 201221 (9%)
  9. 201313 (7%)
  10. 201421 (13%)
  11. 201518 (8%)
  12. 20165 (7%)
  13. 201720 (13%)
  14. 201810 (14%)
  15. 20196 (13%)
  16. 20206 (16%)

Frequently asked questions

How many engine complaints does the 2014 Toyota Sienna have?
NHTSA lists 21 engine-related complaints for the 2014 Sienna, accounting for 13% of the 163 total complaints filed for the year.
Is there a recall for the 2014 Toyota Sienna engine?
No related recall is listed in NHTSA data for the engine complaints on the 2014 Sienna.
At what mileage do engine problems typically show up?
The median mileage at failure among reported engine complaints is 70,000 miles.
Did the engine issues cause any crashes or fires?
NHTSA data tied to this engine complaint set for the 2014 Sienna includes 1 crash, 2 fire reports, and 1 injury.
What kind of engine problems do owners describe most?
Owners most often describe sudden acceleration or RPM surges when coming to a stop, along with some reports of fires and one report of a blown head gasket.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.