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2014 Toyota Sienna: engine and transmission complaints

NO ELEVATED SIGNAL
17%
25 of 143 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2014 Toyota Sienna. Engine, transmission and fuel system account for 17% of relevant complaints.

Better than 90% of the 1,230 model years we track (2010–2023).

Excludes 20 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 15%).

NHTSA data checked September 13, 2026
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Drivetrain complaints
25
engine, transmission, fuel
Total complaints
163
this model year
Fires reported
2
owner-reported
Recall campaigns
6
6 crashes · 3 injuries

Complaints by component

STRUCTURE44 · 27%
UNKNOWN OR OTHER27 · 17%
ELECTRICAL SYSTEM16 · 10%
AIR BAGS13 · 8%
FUEL/PROPULSION SYSTEM11 · 7%
ENGINE11 · 7%

The years either side

2010
17%
27 of 172
2011
16%
63 of 614
2012
18%
29 of 247
2013
16%
25 of 183
2014
17%
25 of 163
2015
16%
33 of 231
2016
10%
6 of 75
2017
43%
60 of 153
2018
47%
30 of 70
2019
38%
15 of 45
2020
41%
15 of 38
2021
11%
15 of 165
2022
9%
10 of 119
2023
no data

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

What owners reported

ENGINE06/09/2022FIRE1 INJURED
Was driving my sienna down he highway, as I was passing someone I lightly accelerated and I heard a loud bang sound. Seconds later I see smoke coming out of the hood so I pull over, about 30 seconds before I pulled over the engine bursted into flames. When the vehicle came to a stop it would not unlock and me and my 2 …
FUEL/PROPULSION SYSTEM09/03/2026
The fuel lines that are connected to recall 14V576000 need to be replaced and so that recall needs to be expanded as the parts are present in my vehicle but the connected to my VIN
ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM07/06/2026
Sluggish start when hot - fuel pump leak into engine when hot, causing starter issues, wears out starter, causes other stress on engine. Common issue in Toyota Siennas. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Three of 25 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on this model year (6)

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2014-2016 Toyota 4Runner, 2014-2015 Scion xB, Lexus IS350C, IS250C, 2014 Toyota Sienna, Lexus IS-F,…
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Braun Corporation (Braun) is recalling certain 2014-2019 Toyota Sienna mobility van conversions. The brake lines may have incorrect tube nut fittings installed, which ma…
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Vantage Mobility International, LLC (Vantage) is recalling certain 2012-2018 AMS Genesis wheelchair vans, built on a Toyota Sienna vehicles. The rubber brake hoses that …

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2014 Toyota Sienna

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.