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EnginePart report

2018 Toyota 4RUNNER Engine Problems

Complaints
5about this part
Share
8%of 59 total for the year
Median mileage
24,700miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine of the 2018 Toyota 4RUNNER, 8% of the 59 complaints for this model year. Where a mileage was given, the median is 24,700 miles.

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 being driven on beltway and suddenly lost all power, braking, and steering capabilities. Emergency brake was used to stop vehicle. Vehicle was not able to be restarted. Phone attached via cigarette outlet was zapped. Manufacturer has failed to assume any responsibility customer has endured due to this total vehicle malfunction.”

NHTSA complaint #11404761, filed 2021-03, 8,000 miles

“2018 4RUNNER trd off road premium. 24733miles (at the time this review is written) started to feel like it accelerate but with out doing it. (very few not that pronouce) took it to dealer on april 2020 around (14900miles). They did a recall check and said they found nothing and thay my truck was fine. March 2021 it happen again but now it was doing it very strongly. …”

NHTSA complaint #11402837, filed 2021-03, 24,700 miles

“The dealership Direct Motor, located in Manassas, Virginia, sold me this car in poor condition. On Sunday the 22nd, I picked up the car around 10 PM. They didn't show me any information about the car. When I picked it up, I saw that the front bumper and rear door were damaged, and the airbag lights were on, which is dangerous. I returned the car first thing Monday morning and asked them to exchange it. They refused. I asked for my money back, which is $3,000, and they refused again. Then I went back on Wednesday and filled out a form explaining why I returned the car. …”

NHTSA complaint #11727554, filed 2026-03

“Two transfer case seals failed at 64,000 miles. Caused excessive oil to leak out of transfer case and onto the exhaust. Safety was put as risk by potential full failure of transfer case which can cause loss of power at speed or leaking oil on exhaust causing a fire. Problem was verified by Armstrong Automotive and repaired. No warning lights were present. Problem found after smelling burning oil and noticing smoking coming from underneath vehicle.”

NHTSA complaint #11603235, filed 2024-07

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202523%
2024110%
202326%
202213%
201969%
201858%
201726%
201668%
201589%
201468%
201338%
201255%
201164%
201032%
200929%
200877%
200732%
200672%
2005215%
2004183%
2003101%
200252%
200153%
200041%
199931%
199611%
199585%
199412%
199212%
199011%

Other parts of the 2018 Toyota 4RUNNER

Steering
12 complaints
Fuel system
9 complaints
Other or unknown
9 complaints
Air bags
8 complaints
Brakes
6 complaints
Body and structure
5 complaints
Electrical system
4 complaints
Suspension
4 complaints
Transmission and drivetrain
3 complaints
Electronic stability control
2 complaints
Seat belts
2 complaints
Vehicle speed control
2 complaints

← All problems reported for the 2018 Toyota 4RUNNER

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