EngineLow
Mass air flow sensor drift causing rough idle and poor economy.
- Typically appears
- 80,000+ miles
- What to inspect
- Watch for hesitation and check fuel-trim data if possible.
2016 Toyota 4Runner problems
A 2016 Toyota 4Runner is now 10 years old, so an average example has covered around 135,000 miles. A mid-run car · most launch faults had been addressed by this point, and wear items are the main risk at this age. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2016 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
Quick answer
The 2016 Toyota 4Runner is 10 years old, so an average example has covered roughly 135,000 miles. At that mileage 2 of the documented faults are already due, so check those first.
Faults a 2016 example has usually reached
Documented onset mileage is at or below the ~135k miles an average 2016 car has covered.
CoolingMedium
Water pump seepage.
- Typically appears
- 90,000+ miles
- What to inspect
- Look for coolant residue at the pump and check reservoir level.
Faults that appear at any mileage
Age, electronics and build-related issues that are not mileage-driven.
InteriorLow
Dashboard cracking / stickiness in hot climates.
- Typically appears
- Age-related
- What to inspect
- Press the dash top for tackiness and look for surface cracks.
BodyLow
Rear hatch glass/wiper and third-row seat latch wear.
- Typically appears
- Age-related
- What to inspect
- Test the rear glass and wiper and all seat latches.
Inspecting a 2016 Toyota 4Runner?
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carToyota 4Runner · frequently asked questions
Is the 4Runner reliable?
Very — the 4.0L V6 and 5-speed automatic are known for long service lives.
What mileage is too high for a 4Runner?
Well-maintained examples routinely pass 200,000 miles; service history matters more than the number.
Any common 4Runner faults?
Mostly age-related — dashboard cracking, MAF drift and water-pump seepage.