Free used car buyer guide / XK50 / 2nd Gen / 2007-2021
Toyota Tundra common problems and best years
By BYBA Research - how we score cars
Updated 2026-06-12
BYBA Buy Score
6.4/10
1 walk-away risk, 4 serious faults, 3 minor faults documented for this generation, weighted by severity and repair cost. Biggest factor: frame, bed floor, and spare carrier corrosion. Score methodology.
The 2007-2021 Tundra is the simple V8 half-ton people wanted after turbo trucks got complicated, but the good engine reputation hides truck-specific bills. The costly traps are 2007-2013 secondary air injection failures, 5.7 cam tower oil leaks, frame and bed corrosion, Denso fuel-pump recall exposure on later trucks, evaporative canister water intrusion, and neglected towing driveline service. The safest buy is a 2016-2021 5.7 with stock suspension, closed recalls, dry cam towers, clean frame, and documented transmission/differential service. Current owners should keep the frame clean, fix small oil/coolant leaks early, and not ignore SAIS or EVAP codes because they can put the truck into limp mode.
Faults covered
8
Highest risk
Frame, bed floor, and
Best years
2016-2021
Best buys
- 2016-2021 5.7 CrewMax/Double Cab with closed fuel-pump recall and no cam tower seep
- 2014-2015 facelift 5.7 with dry frame, stock electronics, and serviced driveline
- 4.6 V8 work truck if payload needs are moderate and SAIS history is clean
Inspect hard
- 2007-2013 4.7/5.7 trucks: secondary air injection, water pump, starter, and frame rust
- Any 5.7: cam tower, valve cover, timing cover, and coolant pump leak points
- Tow-package trucks: transmission fluid condition, rear diff oil, brake heat, and hitch wiring
Avoid
- P2440/P2442 limp-mode truck with seller-installed bypass and no emissions plan
- Heavy frame/bed corrosion around crossmembers, spare tyre carrier, or spring hangers
- Lifted trucks with driveline vibration and oversized tyres but no gearing/brake documentation
Next checks
Before you contact the seller
Check the car's history first. Then bring the right tools if it still looks worth viewing.
Primary next step
Check history, title, and recall status
The faults above matter more if the car also has accident history, finance flags, missing service records, or open safety recalls.
Viewing kit
Bring the right tools
Four cheap tools catch most of the faults on this page at a Toyota Tundra viewing.
Printable workflow
Take the inspection pack
The PDF is the ordered checklist for the viewing: documents, walk-around, test drive, and scan.
Open PDF optionSome links here are partner links. If you buy through one, BYBA earns a commission. The price you pay does not change. How we make money.
Engines and trims
Which Toyota Tundra should you buy?
On most used cars, the engine and trim choice changes the risk more than the mileage does. Narrow this down before you start viewing cars.
4.7 V8 2UZ-FE
2007-2009
DURABLE BUT AGEING
The 4.7 is proven but older, usually attached to early trucks with more corrosion and SAIS exposure. Timing belt service, starter access, and frame condition are the buying focus.
5.7 V8 3UR-FE
2007-2021
BEST POWERTRAIN IF DRY
This is the Tundra engine people want. It tows well and lasts, but cam tower seep, water pumps, timing-chain/tensioner noise, and secondary air injection can create large labour bills.
4.6 V8 1UR-FE
2010-2019
GOOD LIGHT-DUTY CHOICE
The 4.6 is less thirsty and often less abused. It still shares Toyota V8 leak and SAIS themes, and buyers must not expect 5.7 tow performance.
6-speed automatic AB60E/AB60F
2007-2021
STRONG WITH FLUID HISTORY
The transmission is not the weak link unless towing heat and skipped service have been ignored. Fluid smell, shift flare, and cooler-line condition matter on high-mile trucks.
Year notes
Year-by-year buyer advice
Use this to narrow the search before you spend time travelling to view a car.
2007
Second gen launched with 4.7 and new 5.7 V8; highest early recall/complaint density.
Buyer: Buy only after frame, camshaft/engine history, SAIS, and water-pump checks.
Owner: Stay ahead of leaks and SAIS codes; age is now the enemy.
2008
Carryover early-production truck, common SAIS and alternator/water-pump age reports.
Buyer: A clean 2008 can be good, but budget for age repairs immediately.
Owner: Inspect charging system and cooling leaks before towing season.
2009
Last 4.7 year in many markets.
Buyer: Check timing belt service on 4.7 and do not ignore frame corrosion.
Owner: Keep belt/water-pump records visible for resale.
2010
4.6 V8 replaced 4.7; early recall population still heavy.
Buyer: 4.6 is fine for lighter use; 5.7 still the towing pick.
Owner: Exercise recalls and keep SAIS paperwork.
2011
Mature pre-facelift truck, still within early SAIS bulletin era.
Buyer: Scan cold and inspect bed/frame rust carefully.
Owner: Service driveline if towing; dont trust lifetime-fluid myths.
2012
Later pre-facelift, with ongoing EVAP/SAIS bulletin relevance.
Buyer: Good if codes are clean and no bypass/emissions shortcuts are present.
Owner: Keep EVAP canister vents protected from water/mud.
2013
Final pre-facelift year.
Buyer: Often better value than 2014+ if rust-free and stock.
Owner: Refresh suspension/brakes before adding bigger tyres.
2014
Major exterior/interior facelift; core V8s continue.
Buyer: Nice sweet spot if cam towers and frame are dry.
Owner: Do baseline transmission/diff service if history is vague.
2015
TRD Pro introduced; off-road premiums begin.
Buyer: Inspect off-road use, skid impacts, and shock condition before paying TRD money.
Owner: Document suspension work; TRD parts are not cheap cosmetics.
2016
Mature 5.7 years with fewer early-system worries.
Buyer: One of the safer years if stock and dry underneath.
Owner: Frame prevention still matters, especially in salt.
2017
Carryover proven hardware.
Buyer: Condition and use history beat trim labels.
Owner: Watch starter and charging-system age as mileage climbs.
2018
Toyota Safety Sense standard; later Denso fuel-pump recall overlap begins.
Buyer: Check recall completion and camera calibration after glass work.
Owner: Keep fuel-pump and ADAS records together.
2019
4.6 ends in the US after this period; 5.7 dominates.
Buyer: Good late buy if no fuel-pump recall open and no leak history.
Owner: Keep cooling and driveline service current for long ownership.
2020
Late 5.7 truck with fuel-pump recall exposure on some VINs.
Buyer: Excellent if recalls are closed and no modified suspension issues.
Owner: Do not ignore hesitation; fuel-pump history matters.
2021
Final second-gen year before turbo V6 redesign.
Buyer: Best low-risk choice, but priced accordingly.
Owner: Preserve originality; final-year 5.7 trucks have strong resale.
Common problems
Faults to check before buying
What fails, what it looks like, what it costs, and the quick checks you can do at the viewing - ranked by how badly each one can hurt you.
Fault 1
Secondary air injection pump/valve limp mode
Affects
Mostly 2007-2013 4.7/5.7/4.6 V8 trucks; later failures still reported.
Symptoms
Check engine, limp mode, loud pump, cold-start codes, failed emissions readiness.
Typical repair cost
EUR 900-2,500 repair; EUR 250-700 bypass where legal.
Codes / scan clues
P0418, P0419, P2440, P2442, P2445, P2447, P2431.
Root cause: Water intrusion and sticking switching valves/pumps in the cold-start air injection system.
Quick check
- Scan cold before the seller clears codes.
- Check emissions readiness monitors.
- Inspect for bypass harnesses or unplugged pumps.
- Start after overnight parking and listen for abnormal pump noise.
Buyer note
A Tundra in SAIS limp mode is not ready for towing or inspection; solve legality and cost before purchase.
Owner note
Use bank-specific diagnostics. Guessing pumps and valves gets expensive fast.
Fault 2
5.7 cam tower oil leak
Affects
2007-2021 3UR-FE 5.7, more visible with age and towing heat.
Symptoms
Oil smell, seep at upper front engine, smoke on exhaust, low oil between services.
Typical repair cost
EUR 1,500-3,500 due to labour.
Codes / scan clues
Usually none; low oil can create cam timing codes.
Root cause: Sealant between cam tower and cylinder head seeps as heat cycles age the joint.
Quick check
- Inspect upper front corners of both cylinder heads with a light.
- Look for oil down timing cover or onto exhaust.
- Check service records for reseal versus valve-cover-only repair.
- Smell after a hot test drive.
Buyer note
A small seep can be monitored; an active cam tower leak is priced like a labour job, not a gasket tube.
Owner note
Keep oil level full and document progression; fix before oil reaches exhaust or accessory belts.
Fault 3
Frame, bed floor, and spare carrier corrosion
Affects
2007-2021 salt-belt trucks, especially work/tow trucks and early years.
Symptoms
Scaling frame, rusted bed floor, seized spare, soft crossmembers, broken mounts.
Typical repair cost
EUR 400-1,200 prevention; EUR 2,000-10,000+ structural/bed work.
Codes / scan clues
None.
Root cause: Road salt and trapped debris attack frame seams, bed floor, and underbody hardware.
Quick check
- Lift inspection with spare lowered.
- Probe spring hangers, crossmembers, bed supports, and brake/fuel line brackets.
- Check for fresh undercoat over flaky metal.
- Inspect behind wheel arch liners and under bed mat.
Buyer note
A rusted Tundra can still pull hard; that does not make the frame repairable at sensible money.
Owner note
Drop the spare and clean above it yearly; hidden rust there surprises owners.
Fault 4
Denso low-pressure fuel pump recall
Affects
Certain late 2017-2020/2021 Toyota vehicles including Tundra VINs under 20V012/20V682 expansions.
Symptoms
Hesitation, stall, long crank, rough idle, no-start.
Typical repair cost
Recall EUR 0; EUR 500-1,100 customer-pay pump.
Codes / scan clues
Fuel pressure, lean, or misfire codes.
Root cause: Fuel pump impeller deformation can stop fuel delivery.
Quick check
- Run VIN for Toyota fuel pump campaign.
- Confirm replacement invoice.
- Hot restart and load test after road drive.
- Scan fuel trims and misfire history.
Buyer note
A tow vehicle with a possible stall recall needs clean paperwork before it hauls anything.
Owner note
Keep recall proof; future hesitation diagnosis should not re-litigate pump history.
Fault 5
Water pump and coolant seep on V8 engines
Affects
High-mile 4.7, 4.6, and 5.7 trucks; common around tow/heat cycles.
Symptoms
Pink crust, coolant smell, bearing noise, rising temperature when towing.
Typical repair cost
EUR 500-1,200; more if belt/tensioner/radiator included.
Codes / scan clues
Coolant temperature/overheat history.
Root cause: Pump seals and bearings age; towing heat and old coolant accelerate wear.
Quick check
- Inspect pump weep hole and front engine for pink residue.
- Check coolant service records.
- Watch temperature under load.
- Listen for bearing growl with belt area isolated.
Buyer note
A water pump is normal age work; combine it with radiator/belt checks before towing home.
Owner note
Fix coolant seep before a tow trip; overheating a strong V8 is an avoidable mistake.
Fault 6
EVAP charcoal canister water intrusion
Affects
2007-2011 and other trucks used in water/mud; Toyota TSB references P043E/P043F/P2401/P2402/P2419.
Symptoms
Check engine, fuel smell, failed emissions, hard refuel, EVAP readiness not set.
Typical repair cost
EUR 400-1,200 canister/valve repair.
Codes / scan clues
P043E, P043F, P2401, P2402, P2419.
Root cause: Water and debris enter the charcoal canister/vent system.
Quick check
- Scan EVAP monitors and codes.
- Inspect canister and vent routing under the truck.
- Ask about mud/water use.
- Verify emissions readiness after any repair.
Buyer note
An EVAP code on a Tundra is not always a loose cap; water-damaged canisters can be repeated inspection failures.
Owner note
Avoid pressure washing vents and repair broken shields before wet trail use.
Fault 7
Starter/alternator age failures
Affects
2007-2016 higher-mile V8 trucks, especially hot climates and towing use.
Symptoms
Slow crank, no crank hot, battery light, low charging voltage, intermittent start.
Typical repair cost
EUR 350-900 alternator; EUR 700-1,500 starter depending engine/access.
Codes / scan clues
Low-voltage communication codes; charging system codes.
Root cause: Heat, mileage, and underhood packaging age electrical components.
Quick check
- Hot restart after the full road test.
- Load-test battery and alternator.
- Check starter current draw.
- Inspect grounds and battery terminals.
Buyer note
Electrical age repairs are acceptable on a cheap truck, but use them to judge maintenance quality.
Owner note
Replace weak batteries and corroded grounds before blaming expensive modules.
Fault 8
Towing wear: brakes, rear differential, and transmission fluid neglect
Affects
All 2007-2021 trucks used for heavy towing, oversized tyres, or commercial work.
Symptoms
Brake judder, burnt ATF smell, rear diff whine, hitch wiring faults, sagging rear suspension.
Typical repair cost
EUR 500-1,500 brakes/service; EUR 2,000-4,500 driveline repair if damaged.
Codes / scan clues
Transmission temperature/slip codes possible; often none.
Root cause: Heat and load expose skipped fluid changes and underserviced brakes.
Quick check
- Inspect hitch, brake controller wiring, and rear springs.
- Check transmission and differential service history.
- Smell ATF and diff oil where serviceable.
- Road test uphill and brake from speed.
Buyer note
The Tundra tows well, so many owners used it hard. Buy the maintenance record, not the tow rating.
Owner note
Use severe-service fluid intervals if towing; drivetrain oil is cheaper than gears.
Inspection pack
Printable checklist for the viewing
The free page helps you decide whether the car is worth seeing. The paid guide is the ordered, printable checklist you use at the car.
- Scan for P2440/P2442 and confirm any secondary-air repair is legal for the buyers state.
- Inspect the frame, bed floor, spare carrier, spring hangers and crossmembers for corrosion.
- Check cam towers, valve covers, timing cover and water pump for oil/coolant seepage.
- Run the VIN for Denso fuel-pump and airbag/campaign status.
- Road test from cold, then repeat after heat soak for starter, SAIS and transmission symptoms.
- Inspect tow hitch, brake wear, rear differential oil condition and transmission service records.
- Check 4WD engagement and front CV condition on lifted or off-road trucks.
- Confirm tyre size, gearing and payload needs before paying for modified examples.
Bottom line
Buy: - 2016-2021 5.7 with closed fuel-pump recall, dry cam towers and documented driveline service. - 2014-2015 facelift 5.7 from a dry region with stock electronics. - 4.6 V8 work truck if tow demands are moderate and SAIS history is clean. Inspect closely: - 2007-2013 4.7/5.7 trucks for secondary air injection, water pump, starter and frame rust. - Any 5.7 for cam tower, valve cover, timing cover and coolant pump leaks. - Tow-package trucks for transmission fluid condition, rear diff oil and brake heat.
Avoid: - P2440/P2442 limp-mode truck with a seller-installed bypass and no emissions plan. - Heavy frame or bed corrosion around crossmembers, spare carrier or spring hangers. - Lifted trucks with driveline vibration, oversized tyres and no gearing/brake documentation.
Quick answers
Toyota Tundra buyer questions
The short versions of what this page answers in full.
What are the most common Toyota Tundra 2007-2021 problems?
The highest-impact documented faults are: Secondary air injection pump/valve limp mode; 5.7 cam tower oil leak; Frame, bed floor, and spare carrier corrosion. This guide covers 8 faults in total, each with symptoms, typical repair costs, and checks you can do at a viewing.
Which Toyota Tundra years are the best to buy?
2016-2021 stand out in this generation. - 2016-2021 5.7 with closed fuel-pump recall, dry cam towers and documented driveline service. - 2014-2015 facelift 5.7 from a dry region with stock electronics. - 4.6 V8 work truck if tow demands are moderate and SAIS history is clean. Inspect closely: - 2007-2013 4.7/5.7 trucks for secondary air injection, water pump, starter and frame rust. - Any 5.7 for cam tower, valve cover, timing cover and coolant pump leaks. - Tow-package trucks for transmission fluid condition, rear diff oil and brake heat.
Which Toyota Tundra should I avoid?
- P2440/P2442 limp-mode truck with a seller-installed bypass and no emissions plan. - Heavy frame or bed corrosion around crossmembers, spare carrier or spring hangers. - Lifted trucks with driveline vibration, oversized tyres and no gearing/brake documentation.
Is the Toyota Tundra 2007-2021 a reliable used buy?
BYBA scores it 6.4/10 (buy with checks). 1 walk-away risk, 4 serious faults, 3 minor faults documented for this generation, weighted by severity and repair cost. Biggest factor: frame, bed floor, and spare carrier corrosion.
Get updates when this guide changes
Recalls get added, repair costs shift, and new fault patterns show up in the data. Leave an email and we'll tell you when the Toyota Tundra guide gets a meaningful revision. Nothing else, no selling your address.
Research basis
- Toyota T-SB-0160-11 PDF
- Toyota T-SB-0079-16 PDF
- Toyota Parts Center Tundra problems
- Cherish Your Car Tundra cam tower leak
- Tundra owner repair discussions
- RepairPal Toyota Tundra oil leak diagnosis
- Toyota Problems Tundra frame rust
- FLEX Tundra rust/issues guide
- VinItel Tundra NHTSA complaint stats
- NHTSA Tundra recall API 2020
- Toyota fuel pump settlement
- The Weekly Driver Tundra reliability
- Engine Patrol Tundra common problems
- Reddit Tundra owner issue list
- RepairPal Toyota Tundra water pump estimate
- Toyota Tundra owner EVAP discussions
- Drive55 Tundra problems
- Reddit Tundra owner repairs
- TransmissionAudit Tundra transmission reliability