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Fuel systemPart report

2020 Toyota Sienna Fuel system Problems

Complaints
8about this part
Share
21%of 38 total for the year
Median mileage
10,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the fuel system of the 2020 Toyota Sienna, 21% of the 38 complaints for this model year. Where a mileage was given, the median is 10,000 miles. 1 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The fuel pump needs replaced and has been recalled. The recall can cause an increased risk of a crash. We still haven't had this replaced in a timely manner and it's not safe for my small children.”

NHTSA complaint #11405145, filed 2021-03, 20,000 miles

“The van has been periodically hesitating, rough idles, and when parked the rpm revs. On 9/13/22, the van was shaking, hesitating, and would not accelerate. It was undrivable and had to be towed. We took it to Toyota of Irving where they charged us $725 to flush the gas and clean the fuel injection system. Despite this, it is still hard idling and hesitating.”

NHTSA complaint #11484734, filed 2022-09

“This vehicle is owned by emory university. Emory university was notified last year (october) that the low pressure fuel pump may stop operating. To date, there has been no repair offered by Toyota. 2020 Toyota Sienna as such emory university will not let us operate it until it has been repaired. Nearly six months later, no repair.”

NHTSA complaint #11403299, filed 2021-03

“The contact owns a 2020 Toyota Sienna. The contact stated while driving approximately 60-65 MPH, the vehicle stalled temporarily. Several unknown warning lights were illuminated. The contact depressed the accelerator pedal and was able to continue driving. The contact later received notification of NHTSA Campaign Number: 20V682000 (Fuel System, Gasoline) and the vehicle was taken to the dealer for the recall repair. The contact stated that the fuel pump was replaced; however, the failure recurred a year later. …”

NHTSA complaint #11465471, filed 2022-05, 10,000 miles

“ON jUNE 3, 2021 I experienced a drastic loss in power and all warning light illuminated on the dash , was able to get of the highway to a safe area and vehicle ceased to function . This happened after the fuel pump recall was performed at Ed Morse Toyota in Delray Beach around February. It had been functioning perfectly up until this massive failure. When tow truck operator arrived and tried to start, is caught fire and was severely damaged.”

NHTSA complaint #11420552, filed 2021-06

Related recalls

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
202254%
202153%
2020821%
20191328%
20181318%
20171711%
201611%
201573%
2014127%
201363%
201252%
201191%
201021%
200931%
2008123%
200792%
200661%
200581%
2004492%
200344%
200253%
2001137%
200051%
199963%
199821%

Other parts of the 2020 Toyota Sienna

Transmission and drivetrain
8 complaints
Electrical system
7 complaints
Engine
6 complaints
Other or unknown
6 complaints
Body and structure
4 complaints
Brakes
3 complaints
Steering
3 complaints
Air bags
1 complaints
Electronic stability control
1 complaints
Seats
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints
Wheels
1 complaints

← All problems reported for the 2020 Toyota Sienna

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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