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Toyota · 5th gen (N280 (GRN280/285)) · 2010–2024

Toyota 4Runner (2010–2024): Problems, Reliability & Repair Costs

The 5th-gen 4Runner is about as close to bulletproof as a modern SUV gets. One engine (the 4.0L 1GR-FE V6) and one transmission (a 5-speed auto) ran nearly unchanged for fifteen model years, and both routinely pass 250,000 miles. The headaches are small and well-known: an early-year smog-pump (SAIS) fault on California cars, a fuel filler that won't take gas, cheap door-lock actuators that die, and a dash that can crack. None of it threatens the drivetrain — which is the whole point of buying one.

9/10 CarCaseFile
reliability score

Engines

  • 1GR-FE — 4.0L gasoline, 270 hp

Transmissions

  • A750F — automatic, 5-speed

Drivetrain

RWD / 4WD / AWD

Body

SUV (4-door)

Should you buy a 2010–2024 Toyota 4Runner?

Buy it with confidence — this is one of the safest used-SUV purchases you can make. The 1GR-FE V6 and 5-speed auto are genuinely overbuilt, and because the platform barely changed for fifteen years, a 2012 and a 2022 share the same known issues and the same enormous parts supply. Shop on condition, not on year. The two things actually worth checking before money changes hands are a clear check-engine history (the early California smog-pump fault) and frame/underbody rust on trucks from salt states. A clean, maintained 4Runner is a 250,000-mile vehicle that holds its value better than almost anything in its class.

Best years

2016–2019 (post-mid-cycle refresh, before price climb), 2020, 2021

Years to avoid

None outright — but 2010–2013 California-emissions cars need the SAIS fault verified, 2010–2016 (confirm Takata airbag recall was completed)

Pre-purchase inspection checklist

  • ☐Scan for stored codes and check CEL history. P2440/P2441/P2442/P2445 point to the secondary air injection (smog pump) fault on 2010–2013 cars — verify whether Toyota's warranty enhancement already covered it.
  • ☐Fill the tank at the test drive. If the pump keeps clicking off or fuel backs up, the EVAP vent filter behind the rear wheel is clogged — cheap to fix but a useful negotiating point and a sign of heavy dusty-road use.
  • ☐Work every door lock from the fob and the switch. Dead or intermittent actuators are extremely common; budget one or more.
  • ☐Look hard at the frame, control arms, and brake/fuel lines on any truck from a salt-belt state. 5th-gen frames are far better than the recall-era 2003–2010 trucks, but surface-to-structural rust still happens.
  • ☐Check the passenger-side dash near the airbag for cracks; confirm the open Takata airbag recall (2010–2016) was performed via VIN.
  • ☐Feel for power-steering fluid weeping at the rack on higher-mileage or heavily off-roaded examples.
  • ☐On 4WD trucks, engage and disengage 4HI/4LO on a test loop and confirm no warning-light cluster (VSC/A-TRAC) — usually a calibration or sensor issue, but verify.
  • ☐Confirm transmission fluid has been serviced at least once on cars past ~90k; 'lifetime fluid' is a marketing term, not a maintenance plan.

Common Toyota 4Runner problems & repair costs

Secondary air injection (SAIS / smog pump) failure

$1,200–$2,500
emissions moderate 2010–2013 (California-emissions cars) ~60k–120k mi

Symptoms: Check-engine light with codes P2440, P2441, P2442 or P2445. The smog pump or its switching valves stick; commonly triggered by moisture or debris getting into the air-injection plumbing. Usually no drivability change beyond the light and a failed smog test.

Fix: Toyota issued a warranty enhancement (10 years / 150,000 miles on affected vehicles) and dealers replaced the pump and valves free within that window. Out of coverage, an independent shop replaces the pump/valves, or owners fit a bypass kit to prevent recurrence. Confirm coverage by VIN before assuming you'll pay.

Sources: Tundra Headquarters — Toyota air-injection warranty enhancement, Tacoma World — SAIS P2440/P2442 (shared 1GR-FE issue)

Fuel tank won't accept gas (clogged EVAP vent filter)

$50–$250
fuel moderate 2010–2024 ~Varies; common after heavy dusty/off-road use

Symptoms: The gas pump clicks off after a few seconds, sometimes spraying fuel back out of the filler neck. The tank can take 10–20 minutes to fill in a slow trickle. Caused by a clogged plastic vent filter on the EVAP/charcoal-canister line — trapped air can't escape, so back-pressure trips the pump's shutoff.

Fix: Replace the vent line filter assembly (Toyota part #77745-0E010, roughly $30–$40). Access is behind the driver's-side rear wheel. A very DIY-able job; a shop will charge mostly labor.

Sources: Toyota-4Runner.org — gas pump shutting off / can't fill fuel tank

Door lock actuator failure

$100–$580
electrical minor 2010–2024 ~70k–150k mi

Symptoms: A door won't lock or unlock from the fob or the interior switch, or works intermittently. The driver's door usually goes first from the most use, but any door can fail. Widespread enough to have drawn owner litigation.

Fix: Replace the failed actuator. Dealers quote ~$400–$580 per door; aftermarket actuators run ~$30–$60 and it's about an hour per door as a DIY job, which is how most owners handle it.

Sources: Toyota-4Runner.org — door lock actuator failures (5th gen), RepairPal — 4Runner door lock actuator replacement cost

Dashboard cracking near the passenger airbag

$300–$1,200
interior minor 2010–2024 (most reported on earlier years)

Symptoms: Cracks form in the dash, typically on the passenger side around the airbag seam, and spread over time with sun and heat exposure. Cosmetic in most cases, though owners worry about airbag deployment through a compromised panel.

Fix: Replacement dash pad or a dash cover/cap. Toyota ran warranty-enhancement programs for cracked/melting dashes on older 4Runners; coverage on 5th-gen cars is limited and time-boxed, so most owners pay out of pocket or fit a cover.

Sources: CarProblemZoo — Toyota 4Runner dashboard crack problems

Power steering rack seeping / leak

$800–$2,300
steering moderate 2010–2024 ~100k+ mi; sooner on heavily off-roaded trucks

Symptoms: Power-steering fluid weeping or dripping at the rack, low reservoir, and eventually a whine or heavy steering. More common on trucks that see real off-road impact loads.

Fix: Reseal or, more commonly, replace the steering rack. Dealer jobs reach the high end; an independent shop with an aftermarket or reman rack lands lower. Catch the seep early and it's just a fluid top-up to watch.

Sources: Toyota-4Runner.org — steering rack seeping repair cost

Takata airbag inflator recall

$0–$0
safety safety 2010–2016

Symptoms: No driver-noticeable symptom. The defect: Takata inflators can degrade with age, heat, and humidity and rupture on deployment, firing metal fragments into the cabin. Part of the industry-wide Takata recall.

Fix: Recall repair — Toyota replaces the inflator free of charge. Check the VIN at nhtsa.gov/recalls or with any Toyota dealer and confirm it was completed before you buy. This is non-negotiable on a 2010–2016 car.

Sources: NHTSA — Takata recall spotlight, Toyota — Takata airbag safety recall

This is a cheap SUV to keep relative to what it is. The 1GR-FE V6 has no timing belt to replace (it's a chain), no direct-injection carbon problem, and no turbo — maintenance is oil, fluids, brakes, and tires. The 5-speed automatic is durable; service the fluid even though Toyota calls it lifetime. The recurring small costs are the ones above: a smog-pump fix on early California cars, the odd door-lock actuator, an EVAP vent filter, and eventually a steering rack on high-mileage trucks. Fuel economy is the real running cost — high teens to low 20s mpg is normal, and that's the tax you pay for a body-on-frame, off-road-capable truck that lasts forever.

DIY repairs & parts

Replace the EVAP vent filter (fix the won't-fill-with-gas problem)

moderate 1–2 hrs saves ~$100–$200

Tools: Socket set (10–12mm), Flat screwdriver / trim tool, Floor jack + jack stands (optional, for wheel-well access)

  1. Park safely, chock the wheels, and access the area behind the driver's-side rear wheel — remove the wheel or turn the steering for room if needed.
  2. Remove the access panel / fender liner fasteners to expose the fuel-filler plumbing.
  3. Loosen the fuel pipe hold-downs and ease back the rubber surround at the filler neck.
  4. Locate the plastic vent filter assembly (Toyota #77745-0E010) on the EVAP/canister vent line and unclip it.
  5. Install the new filter, reconnect the vent line, and reassemble the hold-downs and panel.
  6. Refuel and confirm the pump no longer clicks off early.

Parts

Replace a door lock actuator

moderate 1–1.5 hrs saves ~$100–$150 per door

Tools: Trim removal tools, Phillips + flat screwdrivers, Socket set (8–10mm), Plastic fastener clips (spares)

  1. Remove the interior door panel: pull the trim, remove the screws behind, and unclip the panel, then peel back the vapor barrier.
  2. Disconnect the latch/actuator electrical connector and the lock and handle rods.
  3. Unbolt the latch assembly from the door edge and pull it out through the access hole.
  4. Transfer to the new actuator/latch assembly and reconnect the rods and connector.
  5. Test lock/unlock from the fob and switch BEFORE reassembling, then reinstall the barrier and panel.

Parts

Engine + cabin air filter change

easy 20–30 min saves ~$60–$120

Tools: Screwdriver (airbox clips)

  1. Unclip the engine airbox lid, lift it, and swap the panel air filter (note orientation).
  2. Open the glovebox, release the side stops to drop it down, and pull the cabin filter cover.
  3. Slide out the old cabin filter and insert the new one with the airflow arrow pointing down, then reinstall the glovebox.

Parts

Some parts links are affiliate links — we may earn a commission at no cost to you. We only list parts that fit this generation.

The short version

The 5th-generation Toyota 4Runner (2010–2024) is one of the most boring cars to write a problem file about — and that’s the highest compliment you can pay a used SUV. Toyota built the same truck for fifteen model years: a 4.0-liter 1GR-FE V6 and an old-school 5-speed automatic, both deliberately under-stressed, both routinely running past 250,000 miles. There’s no turbo to blow, no timing belt to snap, no direct-injection carbon to scrape. The drivetrain is the reason you buy one, and the drivetrain almost never lets you down.

The problems that do exist are small, cheap, and well-documented. That’s the file.

What that means when you’re shopping

Because the truck barely changed, a 2012 and a 2022 share the same handful of known issues, so shop on condition and rust, not on model year.

Two things are worth clearing before money changes hands. First, on 2010–2013 California-emissions cars, the secondary air injection (smog) pump can throw a P244x code; check the check-engine history and whether Toyota’s warranty enhancement already covered it. Second, confirm any 2010–2016 truck had its Takata airbag recall completed — that one’s a safety item, not a maybe.

Everything else is ordinary 4Runner stuff and shouldn’t scare you off: a fuel filler that clicks off the pump (a ~$30 EVAP vent filter), door-lock actuators that die one at a time (cheap aftermarket parts, an hour each), a dash that can crack near the airbag, and on high-mileage or heavily off-roaded trucks, a steering rack that eventually weeps. And as with any body-on-frame truck from a salt state, get underneath and look at the frame.

Buy a clean, maintained one and you’ve got a 250,000-mile vehicle that will hold its value better than almost anything else you could park next to it.

How this file is built: failure modes and cost ranges are compiled from NHTSA recall data, Toyota’s own warranty-enhancement actions, and owner reporting on the major 4Runner forums, then sanity-checked against shop-floor experience. Cost figures are independent-shop estimates and vary by region. Spot something off? Tell us.

Viral car myths, checked

Frequently asked questions

Is the 5th-gen 4Runner actually reliable, or is that just hype?

It's earned. One engine (the 4.0L 1GR-FE V6) and one 5-speed automatic ran almost unchanged from 2010 to 2024, both are conservatively built, and 250,000-plus miles on basic maintenance is routine. The known problems — smog pump, fuel filler, door locks, dash cracking — are real but minor and don't touch the drivetrain. That's the whole reason people pay a premium for these used.

Which 5th-gen 4Runner years should I avoid?

None are outright bad. The only year-specific caveat is 2010–2013 California-emissions cars, where the secondary air injection (smog pump) can fail — verify the check-engine history and whether Toyota's warranty enhancement already covered it. Separately, confirm any 2010–2016 truck had its Takata airbag recall completed. After that, buy on condition and rust, not on year.

Why won't my 4Runner take gas at the pump?

Almost always a clogged EVAP vent filter on the charcoal-canister line behind the driver's rear wheel. Trapped air can't escape the tank, so back-pressure trips the pump's auto-shutoff and it clicks off (or sprays back). The fix is a ~$30 filter (Toyota #77745-0E010) — common on trucks driven a lot on dusty or unpaved roads.

Do 5th-gen 4Runners have the frame-rust problem?

Far less than the 2003–2010 trucks that drew the famous frame-rot recall. The 5th-gen frame is more durable, but it's still a body-on-frame truck — in salt-belt states, inspect the frame, control arms, and brake/fuel lines closely on anything high-mileage. A garaged or southern truck is the safer rust bet.

How many miles will a 5th-gen 4Runner last?

With routine maintenance, 250,000 miles is a reasonable expectation and many go well past 300,000. The 1GR-FE V6 is one of the longest-lived gas engines Toyota has built. Most 4Runners are retired for rust or wear, not because the engine quit.