The 2006 Camry is generally reliable transportation, but the 2.4L 4-cylinder (2AZ-FE) has a well-documented oil consumption defect that can destroy the engine if ignored. The V6 models and transmissions are solid, but that 4-cylinder issue is a deal-breaker if the engine hasn't been addressed.
2.4L 4-Cylinder Excessive Oil Consumption / Engine Failure
Common · high severityTypical onset: 80,000-150,000 mi
Symptoms: Burns 1+ quart per 1,000 miles with no visible leaks, Blue smoke on cold start or acceleration, Check engine light for misfire codes as rings fail, Sudden knocking or catastrophic failure if oil runs dry
Fix: Root cause is piston ring design and carbon buildup. Toyota extended warranty to 150k but many cars exceed that now. Proper fix is short block or engine rebuild with updated pistons/rings—25-35 shop hours for removal, rebuild/replacement, reinstall. Band-aid is checking oil religiously every 500 miles and topping off.
Estimated cost: $4,000-7,000
Transmission Oil Cooler Line Failure
Occasional · medium severityTypical onset: 100,000-180,000 mi
Symptoms: Transmission fluid leaking from rubber hose connections at radiator, Pink/red puddle under front of vehicle, Delayed shifts or slipping if fluid runs low
Fix: Rubber cooler lines crack where they clamp to metal pipes. Replace both lines and top off ATF—2 hours labor. Some techs see the internal cooler in the radiator fail too, dumping coolant into trans fluid (milkshake effect)—if that happens you're looking at radiator, trans flush, and possibly trans replacement.
Estimated cost: $250-500
Front Lower Engine Mount (Torque Mount) Collapse
Common · low severityTypical onset: 90,000-140,000 mi
Symptoms: Clunk or thud on acceleration or deceleration, Excessive vibration at idle in Drive, Visible engine movement when revving in Park
Fix: Hydraulic mount under the engine wears out and the rubber separates. Direct replacement—1.5 hours with basic hand tools. OEM part recommended over cheap aftermarket, which fail in 20k miles.
Estimated cost: $200-350
Evaporative Emissions Charcoal Canister Failure
Occasional · low severityTypical onset: 120,000+ mi
Symptoms: Check engine light for EVAP leak codes (P0441, P0446), Difficulty filling gas tank—pump clicks off repeatedly, Fuel smell near rear of vehicle
Fix: Charcoal canister behind rear bumper gets saturated or vacuum switching valve fails. Diagnosis requires smoke test to confirm—1 hour. Replacement is 1.5-2 hours with canister and VSV. Common to replace vent valve at same time.
Estimated cost: $400-700
VVT-i Oil Line and Valve Cover Gasket Leaks (V6 models)
Occasional · low severityTypical onset: 100,000-160,000 mi
Symptoms: Oil seepage on valve covers, Burning oil smell from exhaust heat, VVT rattle on cold start if oil passages clog
Fix: 3.0L/3.3L V6 valve cover gaskets seep with age. VVT-i oil lines (aluminum tubes with rubber seals) also leak at banjo fittings. Full valve cover service—replace gaskets, spark plug tube seals, and VVT lines—4-5 hours for both banks.
Estimated cost: $600-900
Steering Intermediate Shaft Clunk
Common · low severityTypical onset: 60,000-120,000 mi
Symptoms: Clunk or knock felt in steering wheel when turning at low speed, Noise most noticeable on tight turns in parking lots, No loss of steering control
Fix: U-joint in the intermediate shaft wears and develops play. Toyota issued TSB with revised shaft and grease procedure. Replace intermediate shaft—1.5 hours. Some techs try greasing the joint first but it's temporary.
Estimated cost: $250-450
V6 models are solid buys; 4-cylinder models are gambles unless the engine has already been rebuilt or you can verify low oil consumption with documentation.
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.