Lexus GX460 Engine problems by year

The contact owns a 2017 Lexus GX. The contact stated that upon starting the vehicle, the center console repeatedly restarted and displayed a blank screen. The vehicle was taken to a dealer, where it was diagnosed, but no failure was found. Additionally, while driving at 10 MPH, the vehicle experienced a total loss of motive power. No warning lights illuminated. After multiple attempts, the vehicle was restarted and driven normally. The dealer was not notified of the power loss failure, and the vehicle was not further diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 92,000.

Timing cover leaks oil

Faulty coolant valley seal leaking coolant all over the motor.

During inspection, technician noted coolant reservoir very low. Technician traced coolant leak to valley seal. Recommend to replace noticed before performing coolant replacement found the reservoir was near empty indicating a leak in the system. Inspected radiator assembly and found no obvious leaks. Inspected coolant valley from under the car and found large amounts of dry coolant around the transmission bell housing. This confirms the coolant valley is indeed leaking and will need to be resealed. Reseal...

Lexus keep sending us a recall notice (no 20v682) but with remedy not available. It has been more than a year were we are told our car might stall during driving. My lease will expire this december and I am still driving a car that I am told is not safe. I have been avoiding long trip with the car for this reason. Lexus need to come up with a remedy and compensate the current owner/lessee. My car did not stall yet but how do you expect me to drive a car you are telling me it might stall.

My car 2014 gx 460 with 76000 miles has timing chain cover leak and it appears it is common failure from manufacture of toyota and lexus and lexus refused to repair it , my car it is one of 1000s car has same problem and lexus know this is manufactured problem

The engine was found to have a leaking valley plate and cam tower cover with little over 82,000 miles on it. An online search indicates that this is a common problem shared across the lexus (gx460) and toyota (tundra) platforms with this engine.

The timing cover gasket began to leak oil at 65,000 miles. This is a known manufacturing defect for this engine. *Tr

Similar to the recall on other model years, my 2016 gx 460 stalled while driving (coasting down a freeway offramp). The dealer could not identify an issue with the engine, but it seems this current recall is similar enough that it would have been the cause.

10.6.19 Radiator blew.While driving.On bridge on interstate. Engine over heated. Engine was supposed to shut down. Engine blew head gasket. Engine light was on from a emission systems recall. I was not aware that engine was over heating. No alerts. Had an appointment on 10.13.19 To fix recalled emissions system. Need new engine and radiator. Cost $10,000 minimium

Lexus gx460 & toyota 4.6L exhaust manifold cracks and potential carbon monoxide poisoning. The symptoms I identified were a diesel-like clatter on cold start which went away when the engine warmed up. I did feel above normal fatigue when sitting in the car for long periods. My multiple repair attempts with the lexus dealer should be documented with lexus. Lexus and toyota 4.6L v8 exhaust manifolds have chronic cracking problems. These cracks could expose drivers and passengers, including young children, the...

Throttle actuator valve stuck open, repaired 3 different times & now secondary air injection system switching valve is stuck open bank 1 car stalls out & goes into limp mode. Check engine light, 4lo, trac light- vehicle is unsafe to drive. Codes p2440 & p2442 this is a faulty part on toyota tundra & seqouia.

Tl* the contact owns a 2010 lexus gx460. The contact stated that the vehicle experienced sudden deceleration while driving 65 mph. During the failure, the check engine warning indicator illuminated. The vehicle was taken to the dealer where it was diagnosed that there was a secondary pump failure. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 97,400.

Tl* the contact owns a 2010 lexus gx460. While driving 60 mph, the vehicle lost power and the check engine light illuminated. The contact coasted over to the side of the road and was able to restart the vehicle. The failure recurred four times. The vehicle was taken to the dealer where it was diagnosed that the emission engine secondary pump failed and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 97,004.

Tl*the contact owns a 2010 lexus gx460 suv. The cruise control was activated while the contact was driving up a sight incline at approximately 62 mph. An unexpected increase of acceleration occurred. The engine began to rev excessively high and the rmps increased to 4,300. The cruise control was deactivated with the brake pedal engaged. The vehicle was able to come to a stop. The vehicle was taken to an authorized dealer for diagnostic testing. The technician informed that the vehicle required further inspection...