2007 Toyota Sienna Engine Problems
- Complaints
- 42about this part
- Share
- 12%of 364 total for the year
- Median mileage
- 102,056miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 42 complaints about the engine of the 2007 Toyota Sienna, 12% of the 364 complaints for this model year. Where a mileage was given, the median is 102,056 miles. 3 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Oil cooler piper ruptured after starting and driving the vehicle causing rapid oil loss while being driven to work. If I did not notice the puddle of oil left by my wifes car she would have driven it home and surely blown the engine. The part was replaced in 2010 during limited service recall but still burst 5 years later.”
NHTSA complaint #10783504, filed 2015-10, 116,000 miles“I had a catastrophic loss of oil from the underneath of the car, there was a recall on this problem which was fixed back in 2011 but almost every one online that has had this fix has to get it done again. Toyota are not seeking the fix the problem again with a metal hose and we are having to pay for the replacement. …”
NHTSA complaint #10669695, filed 2015-01, 130,000 miles“Oil cooler pressure hose explode while driving with my kids back from the church oil were leaking all over the street the car was smoking in front drivers were honking and scream your car is on fire and a nasty smoke where coming out of it. If I was not alerted by a good samaritan my kids and I will pay our lives. I called main office Toyota and made a complain but they refused to help although this part 'hose is not used by Toyota company for lack of safety. …”
NHTSA complaint #11052404, filed 2017-12, 81,000 miles“Driving 55mph on frwy, van started smoking in the rear and oil on back of van. Slowly drove short distance home and lights on dash came on upon arriving home. Oil leaked on street where we parked. Had mobile mechanic look at it. Oil cooler hose had burst. He replaced it, we drove the van 50 miles on short trips.when on frwy, it happened again about 3 wks later. Had towed home. Same hose busted again. Looked on internet sites & found same problem has occurred to many people with same van year. Longterm ongoing problem. …”
NHTSA complaint #11342965, filed 2020-08, 120,850 miles“I was driving back from this weekend on a highway and I noticed a thumping noise coming from the front of the vehicle and then I noticed an engine light came on and instinctively I knew that was a bad sign for all six of us my family and friends. So I immediately exited the nearest exit ramp and that's when the engine stalled and I couldn't move any longer. We called our insurance company for towing and the cops to steer clear of oncoming traffic since we're on the second lane on the exit ramp. …”
NHTSA complaint #11122652, filed 2018-08, 93,475 milesRelated service bulletins
- 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…
- 10134223Sep 15, 2015TT: The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
- 10096556Sep 15, 2015Tt: the vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the engine ecm has been interrupted.
- 10132529Aug 24, 2015TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been…
- 10134128Jan 15, 2015TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix…
- 10096036Jan 15, 2015"tsb: flash reprogramming allows the ecu software to be updated without replacing the ecu. Flash calibration updates for specific vehicle models/ecus are released as field-fix…
- 10056822Aug 7, 2014Toyota: see document search button for owner letter. On certain vehicles the rubber oil supply hose, for vvt-I actuator, is degrading over time and causing a leakage of oil, from…
- 10132812May 1, 2014Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to…
- 10054869Aug 8, 2013Toyota: updated information regarding the response of the air fuel ratio sensor, that is incorrect and also, an incorrect oxygen sensor operation may be present, due to ecm/pcm…
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 2007 Toyota Sienna
102 complaintsAir bags
37 complaintsOther or unknown
34 complaintsTransmission and drivetrain
31 complaintsVehicle speed control
28 complaintsBrakes
27 complaintsTires
25 complaintsLatches, locks and linkages
19 complaintsElectrical system
18 complaintsEngine cooling
14 complaintsSteering
12 complaintsSuspension
12 complaints
← All problems reported for the 2007 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