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2015 Toyota 4Runner engine problems
moderate
Owners of the 2015 Toyota 4Runner have filed 3 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of October 2026). Source: NHTSA Office of Defects Investigation.See engine across all vehicles →
Of the 3 engine complaints filed for the 2015 Toyota 4Runner,
here's the actual mileage breakdown — failures cluster heaviest at 150,000+ mi.
0-25k
0 (0%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
0 (0%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
1 (100%)
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted.
Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits
and driving conditions shift the curve as much as mileage alone.
What stands out
All 2 active engine recalls on this vehicle land at critical or severe — none classified moderate.
Owners are still filing on this — the most recent NHTSA engine complaint for this vehicle was logged 12 days ago.
Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2010-2015 Toyota 4Runner vehicles manufactured September 3, 2009, to December 1, 2014
Contact with an exhaust tip may result in personal injury.
Fix: SET will notify owners, and dealers will install a re-designed exhaust tip that is smaller in diameter and is more recessed behind the bumper, free of charge. The recall began September 15, 2016. Owners may contact SET customer service at 1-866-405-4226. SET's number for this recall is SET16D.
Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2010-2015 Toyota 4Runner vehicles manufactured March 29, 2010, to July 30, 2015
Contact with an exhaust tip may result in personal injury.
Fix: SET will notify owners, and dealers will install a re-designed exhaust tip that is smaller in diameter and is more recessed behind the bumper, free of charge. The recall began on September 22, 2015. Owners may contact SET customer service at 1-866-405-4226. SET's number for the recall is SET15D.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service BulletinT-SB-0103-20 Rev1Jun 2024
This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website.
TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Toyota vehicles.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting
1 most recent
engine · 199,000 mi
· filed 10/14/2026
The contact owns a 2015 Toyota 4Runner. The contact stated that while braking from 40 MPH, the instrument panel flickered until the vehicle completely stalled. The contact associated the failure with NHTSA Campaign Number: 26V659000 (Engine and Engine Cooling); however, the VIN was not included in the recall. The dealer was contacted. The manufacturer was notified of the failure by phone. The…
Had engine trouble with your 2015 Toyota 4Runner?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2015 Toyota 4Runner?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 3 complaints filed, engine issues most often appear around 109,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
Yes — 2 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/Toyota/4Runner.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.