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Fuel systemPart report

2021 Toyota 4RUNNER Fuel system Problems

Complaints
1about this part
Share
3%of 36 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the fuel system of the 2021 Toyota 4RUNNER, 3% of the 36 complaints for this model year.

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.

“Vehicle was diagnosed from a mechanic with no fuel pressure due to not starting. Vehicle has approximately 135,000 miles and had no warnings or indications of problem. It appears when VIN was ran on gov. recall that Honda had issues with fuel pump. Vehicle will be inspected by Toyota dealer.”

NHTSA complaint #11704362, filed 2025-12

Fuel system: other model years

YearComplaintsShare of year
2026114%
202523%
2024110%
202113%
202013%
20191320%
2018915%
201726%
201645%
20151011%
20141013%
2013411%
201266%
201121%
201011%
200929%
200811%
200711%
200662%
200561%
200441%
2003132%
200242%
200132%
2000255%
19994313%
199810%
199710%
199611%
199521%
199412%
199336%
199212%
199112%
199011%

Other parts of the 2021 Toyota 4RUNNER

Steering
13 complaints
Suspension
10 complaints
Brakes
6 complaints
Wheels
4 complaints
Electrical system
3 complaints
Exterior lighting
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Back-over prevention (rear camera)
2 complaints
Forward collision avoidance
2 complaints
Other or unknown
2 complaints
Air bags
1 complaints
Latches, locks and linkages
1 complaints

← All problems reported for the 2021 Toyota 4RUNNER

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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