2011 Toyota Sienna Engine Problems
- Complaints
- 23about this part
- Share
- 4%of 615 total for the year
- Median mileage
- 110,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 23 complaints about the engine of the 2011 Toyota Sienna, 4% of the 615 complaints for this model year. Where a mileage was given, the median is 110,000 miles. 1 of these say a crash was involved and 2 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driving city street ruptured rubber cooling line hose to engine... Smoke pouring from vehicle no oil left... No warning light on dash. Towed to butler Toyota last month oil change at this same dealer today rubber line replaced with a metal hose costing me $496.00.. Toyota corporation needs to refund this to me and all of the other Sienna owners who have had this experience.”
NHTSA complaint #11121112, filed 2018-08, 200,000 miles“The minivan suddenly, with no warning or indication rapidly lost all engine oil in a short period of time. As I was driving on a city street, I got a warning about five minutes into a drive about low engine oil pressure, when it was basically dry. I had it towed to a mechanic where it was quickly confirmed that the oil cooler pipe had failed causing this to happen. I have 120,000 miles on the van.”
NHTSA complaint #11130275, filed 2018-09, 120,000 miles“Car started rolling back and gear shifted to reverse when it was on drive gear. It shifted to gears automatically without changing gears. When went to dealer, they said its transmission is failed at 55 k miles. It was in warranty and they changed transmission but when asked they didn't give me much detailed information. My 1 work day was spoiled and inconvenience.”
NHTSA complaint #10654001, filed 2014-11, 55,000 miles“My van cut on fire last saturdar, september 1st 2019. For no apparently reason. I drove about 5 miles from my house to the grocery store, when I notice the smoke, I first though was the car in front of me. But was smoke coming from my hood. I was just about to stop at a stop sigh and I look the temperature gate and it was fine, turn of the car and people from the parking lot was already yelling for me to get out of the car. More than 2/3 of the van was totally destroyed in the fire.”
NHTSA complaint #11253099, filed 2019-09, 110,000 miles“I put my vehicle in park and then turned on the hazard lights, as I was parked at the entrance to a busy highway, and just wanted to grab my mail. I turned around from getting the mail; and my minivan was rolling across the highway with three of my children inside of it. It stopped when it hit a cement barrier on the other side of the highway. No air bag deployed. My children suffered from minor injuries. And, a-lot of anxiety.what happened to make my minivan switch out of park?”
NHTSA complaint #11031693, filed 2017-10, 114,000 milesRelated service bulletins
- 11005119Jun 19, 2024This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- 11005061Jun 19, 2024This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- 10164330Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections…
- 10149217Sep 14, 2016TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 5 | 4% |
| 2021 | 8 | 5% |
| 2020 | 6 | 16% |
| 2019 | 4 | 9% |
| 2018 | 5 | 7% |
| 2017 | 15 | 10% |
| 2016 | 4 | 5% |
| 2015 | 16 | 7% |
| 2014 | 11 | 7% |
| 2013 | 7 | 4% |
| 2012 | 9 | 4% |
| 2011 | 23 | 4% |
| 2010 | 5 | 3% |
| 2009 | 10 | 5% |
| 2008 | 39 | 9% |
| 2007 | 42 | 12% |
| 2006 | 11 | 1% |
| 2005 | 22 | 2% |
| 2004 | 13 | 1% |
| 2002 | 3 | 2% |
| 2001 | 2 | 1% |
| 2000 | 2 | 1% |
| 1998 | 1 | 0% |
Other parts of the 2011 Toyota Sienna
211 complaintsBody and structure
154 complaintsElectrical system
69 complaintsOther or unknown
64 complaintsWheels
37 complaintsTires
33 complaintsBrakes
32 complaintsTransmission and drivetrain
30 complaintsEquipment
25 complaintsSteering
24 complaintsVehicle speed control
20 complaintsLatches, locks and linkages
18 complaints
← All problems reported for the 2011 Toyota Sienna
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology