2018–2024 TOYOTA CAMRY

3.5L V6FWDAUTOMATICgas
5-Year Cost of Ownership
$50,104 maintenance + known platform issues
~$10,021/yr · 840¢/mile equivalent · $31,743 maintenance + $6,161 expected platform issues
Compare this engine
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2.5L I4
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2.5L I4 Hybrid
Common Problems & Known Issues

The 2018-2024 Camry 3.5L V6 is mechanically solid overall, but suffers from a catastrophic oil dilution defect in 2019-2020 models that can destroy engines, plus persistent fuel pump failures across the range and transmission cooler leaks that damage the 8-speed automatic.

Catastrophic Engine Failure Due to Oil Dilution (2019-2020 V6)

Occasional · high severity
Typical onset: 30,000-80,000 mi
Symptoms: Fuel smell in oil during dipstick checks, Rapid oil level rise between changes, Metallic knocking from lower end, Engine seizure or loss of compression, Check engine light with misfire codes
Fix: Direct fuel injection system allows fuel to wash past piston rings during cold starts, diluting oil and destroying bearings. Repair requires complete engine replacement or rebuild with updated pistons/rings. 25-35 hours labor for short block swap, 40-50 hours for full rebuild.
Estimated cost: $8,000-15,000

Fuel Pump Failures (Denso Pump Defect)

Common · high severity
Symptoms: No-start condition with cranking but no fuel delivery, Intermittent stalling at highway speeds, Rough idle and hesitation under acceleration, Fuel pump whine or buzzing from tank area, Stranded vehicle requiring tow
Fix: Low-pressure fuel pump inside tank fails due to impeller density defect. Covered by recalls but many units failed before recall issued. Tank drop required. 2.5-3.5 hours labor.
Estimated cost: $800-1,200

Transmission Oil Cooler Line Leaks

Common · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: Transmission fluid spots under vehicle front-center, Delayed engagement when shifting to Drive or Reverse, Low transmission fluid warning light, Burnt fluid smell if driven low, Harsh shifts when hot
Fix: Cooler lines corrode or crack at fittings where they connect to radiator tank. Replacement requires draining system, replacing lines and sometimes radiator if tank cracked. 3-4 hours labor if just lines, 5-6 hours with radiator.
Estimated cost: $600-1,400

Transmission Mount Deterioration (3.5L V6)

Common · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunk when shifting from Park to Drive or Reverse, Vibration at idle in Drive with brake applied, Visible transmission sag when inspecting from below, Increased cabin vibration during acceleration
Fix: Right-side transmission mount hydraulic fluid leaks out, allowing excessive movement. V6 torque accelerates wear. Replace mount with OE or aftermarket upgraded unit. 1.5-2 hours labor.
Estimated cost: $350-550

Brake Booster Vacuum Pump Failure

Occasional · high severity
Typical onset: 80,000-120,000 mi
Symptoms: Hard brake pedal requiring excessive force, Brake pedal feels stiff immediately at startup, Hissing sound from engine bay when pressing brakes, Extended stopping distances, Brake warning light in some cases
Fix: Electric vacuum pump for brake booster fails (V6 doesn't generate enough manifold vacuum). Recalled on some units but failures continue post-recall. Pump replacement. 2-3 hours labor.
Estimated cost: $800-1,200

Occupant Classification Sensor (OCS) Mat Failures

Occasional · low severity
Symptoms: Airbag warning light illuminated continuously, Passenger airbag off light flickers with adult passenger, Seat senses no occupant when someone is sitting, Intermittent warning with weight on seat
Fix: Pressure-sensitive mat under passenger seat fails, triggering airbag system faults. Covered by recall but many need replacement regardless. Seat removal and mat replacement. 1.5-2 hours labor.
Estimated cost: $400-700
Owner tips
  • Check oil dipstick for fuel smell on ANY 2019-2020 V6 before purchase—this is a deal-breaker defect
  • Verify fuel pump recall completion (recalls 20TA03, 21TA03) before buying any 2018-2020 model
  • Inspect transmission cooler lines annually for seepage starting at 40k miles
  • Use Toyota WS fluid only in the 8-speed automatic—aftermarket fluids cause shudder and premature wear
  • Extended highway drives help prevent carbon buildup on direct-injection valves—short trips accelerate it
Buy a 2021+ V6 without hesitation; avoid 2019-2020 V6 entirely unless you can confirm no oil dilution history and fuel pump recall completed—otherwise it's a ticking time bomb.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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