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Engine & cooling

2006 Lexus RX330 Engine problems

Owners have filed 21 complaints about the 2006 Lexus RX330's engine & cooling with NHTSA - 21% of all its complaints, most recently on September 6, 2026. They describe 1 crash, 1 fire and 0 injuries. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
21
Recalls
0
Crashes
1
Fires
1
Injuries
0
Deaths
0

Engine complaints

Engine & cooling

My vehicle runs hot after just five minutes and steam or smoke starts emitting from engine with a strange smell. It left me stranded on a narrow and busy highway where I felt unsafe

Filed Incident EngineNHTSA 11762434
Electrical systemEngine & cooling

From what I have been reading on that year and model, there seems to be major issues with the invertors. Like many I was driving on the highway and the vehicle just quits. This put me and many others in a very dangerous situation and I could have been hit at high rates of speed. If as many people are having these issues, then Lexus needs to step up and recall this part before someone gets killed

Filed Incident Electrical system · Unknown or other · EngineNHTSA 11648884
SteeringElectrical systemEngine & cooling

The power steering and hybrid system failed and vehicle completely stopped in middle of busy freeway with no prior warnings or issues before. The safety of my son and I, and others around me during the abrupt stop of the engine. I could not move out of way. The vehicle has been serviced for this exact issue during a recall campaign lasting from 2011 to 2014. Ten years later and it is still happening! There were NO warning lamps or messages or symptoms prior to this failure. It just passed vehicle inspections for the year

Filed Incident Steering · Electrical system · EngineNHTSA 11631799
Electrical systemEngine & coolingDriver assistance

Dear manager: I have this 2006 LEXUS RX400H which has CHECK VSC SYSTEM and CHECK HYBRID SYSTEM problems. When I was driving on the highway, the cruise control button is unable to turn on, when at speed of 65 MPH it will suddenly stall in the middle of the road and the READY light will be off and the vehicle has to be stopped by the emergency lane which is REALLY DANGEROUS. I have searched online and found out there were many complains about this issue and LEXUS issued a recall for this type of car and the...

Read the full complaint

dealer can change the inverter and ICM free of charge. This recall link is as follows: https://static.nhtsa.gov/odi/rcl/2011/RCONL-11V342-6633.pdf So tonight I am sending this message to see if you can help me to solve this problem.

Filed Incident Electrical system · Engine · Forward collision avoidanceNHTSA 11548538
Engine & cooling

I was running 72mph on the interstate and the whole car shut down - shifter, engine, lost steering, EVERYTHING!

Filed Incident EngineNHTSA 11495233
Electrical systemBody, doors & structureEngine & coolingFire

My car exploded- huge fire. I was not driving- it had been parked. The fire marshal indicated that it was an electrical problem located near the battery. There we no indicators of any issues. I only had liability on the car- so i am out of luck. but the NYFD inspected. It happened on Wednesday 9/29/21. Was inspected on 9/30.

Filed Incident Electrical system · Structure · EngineNHTSA 11435153
Engine & coolingFuel system

Car dies after driving for a bit. We've spent over $3k fixing fuel pump, batteries, and others. From what I'm reading it sounds like my car should be on the inverter recall list, but it's not.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11374985
Engine & cooling

Car turns off while driving on the highway and this results in loss of power brakes and steering.

Filed Incident EngineNHTSA 11271327
Engine & cooling

Complete engine failure while driving. No leaks. Vehicle was towed to service station and mechanic diagnosed seized engine due to clogged oil intake due to excessive sludge build up. Vehicle oil was routinely changed iaw manufacture guidelines with synthetic oil. Replaced engine with a used engine and after one day of driving the same thing happened on the replacement engine. Currently unable to locate a third engine that doesn't suffer from excessive sludge build up in the engine. *Tr

Filed Incident EngineNHTSA 10609837
Fuel systemAcceleration & cruise controlEngine & coolingCrash

Backing car out of garage and accelerator automatically increased high speed. I was unable to stop. Car hit garage door and damaged the garage door, wall, front driver side quarter panel, front bumper. Approx $3600 car damage and $1500 garage damage. Fortunate that no other damage or injuries occurred. This never happened before and was very unexpected. I am now afraid that this may happen again under unexpected circumstances with more severe consequences. *Tr

Filed Incident Fuel system, gasoline · Vehicle speed control · EngineNHTSA 10565522
Engine & cooling

Tl* the contact owns a 2006 lexus rx330. The contact stated that while driving 30 mph, the steam began rising from the engine area. The contact stopped the vehicle and noticed coolant leaking from the radiator. The contact took the vehicle to a dealer, who advised that the radiator was fractured and needed to be replaced. In addition, the water pump and timing belt were recommended to be replaced. The dealer replaced all three components. The failure mileage was 60,000.

Filed Incident EngineNHTSA 10560421
Engine & cooling

Tl* the contact owns a 2006 lexus rx330. The contact stated that the radiator exploded, causing a loss of engine coolant fluid. The failure occurred as the contact traveled 35 ph. The temperature gauge began increasing prior to the failure, indicating that the vehicle was overheating. The vehicle was towed to the contact's residence. The manufacturer was not notified. The vehicle was not repaired. The failure mileage was 98,000.

Filed Incident EngineNHTSA 10490535
Engine & cooling

Tl* the contact owns a contact owns a 2006 lexus rx330. The contact stated while the vehicle was parked coolant leaked from the radiator. The vehicle was taken to the dealer who confirmed the radiator was cracked and needed to be replaced. The manufacturer was notified of the failure. The vehicle was not repaired. The failure and current mileage was 55,340.

Filed Incident EngineNHTSA 10475716
Engine & cooling

I have 41k miles on my car. Anti freeze has been dripping from the right side of the radiator same as other people. In contacting lexus, being that the warranty has expired, they will charge to evaluate the problem and the repair estimate is 1k. How does lexus know that the residual parts from 2004-05, which has been recalled, was not used during the 2006 assembly? *Js

Filed Incident Engine and engine coolingNHTSA 10456965
Engine & cooling

Crack in the radiator at 73800 miles. Car started smoking and when stopped and opened up hood pink fluid spilled out of passenger side of radiator (anti-freeze) and was steaming. Noticed that comments have been made that 2004 -05 models have had radiator recall for same problem and read claims that this radiator might be the same. *Tr

Filed Incident Engine and engine coolingNHTSA 10454621
Engine & cooling

Unusual/ abnormal noise in the engine area was diagnosed due to the following: radiator failure -had a crack and leaking coolant at 55k miles; water pump failure at 55k miles; timing belt replacement at 55k miles; high pressure power steering hose failure at 55k miles. *Tr

Filed Incident Engine and engine coolingNHTSA 10451336
Engine & cooling

Radiator seam split. This was a defect on 2004 and 2005 models. *Tr

Filed Incident Engine and engine coolingNHTSA 10448256
Engine & cooling

Tl* the contact owns a 2006 lexus rx330. The contact stated that the cooling system was leaking. The vehicle was taken to the dealer who diagnosed that the radiator would need to be replaced. The manufacturer was contacted who offered to assist with fifty percent of the repair costs but the vehicle was not repaired. The failure and current mileage was 51,000. Updated 05/04/11 *bf updated 05/09/11 *jb

Filed Incident Engine and engine coolingNHTSA 10392407
Engine & cooling

2006 Lexus rx330. Consumer states problem with catalytic converter *tgw the consumer stated the cost to replace the catalytic converter was $4,000.00. The consumer requested a refund, because according to the owners manual, the catalytic converter and protector were covered for 8 years/80,000 miles. *Jb updated 04/12/11*jb

Filed Incident Engine and engine coolingNHTSA 10358671
Engine & cooling

RADIATOR FAILURE AT 44,000 MILES 2006 LEXUS RX330. *TR

Filed Incident Engine and engine coolingNHTSA 10294604
Engine & cooling

Tl*the contact owns a 2006 lexus rx330. While driving at an unknown speed, the contact heard a noise from the engine and the oil indicator illuminated. She stopped the vehicle and had it towed to the dealer for repair. The dealer stated that sludge destroyed her engine. The failure mileage was 94,000.

Filed Incident Engine and engine coolingNHTSA 10263151

Lexus RX330 engine complaints by year

RX330 engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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