2007 Lexus LS460 Engine Problems

“My car is a 2007 LS460. I bought it new in sep 07. It currently has 35,000 miles on it. On several different occasions during my ownership of this car, it has failed to accelerate, in response to the accelerator pedal, at low speeds. This performance issue only lasts a few hundred miles and then the car returns to perfect for an extended period. This can be very dangerous in certain situations. About 18 months ago, I made the correlation that this strange behavior occurs right after an oil change. …”

“Vehicle has loss of power and hesitation during acceleration. Happens when accelerating from a stop or low speeds. It's can be very dangerous issue to have.”

“Parked vehicle, pressed start/stop button to turn off engine. Engine stopped. Exited the vehicle and as walking away pressed the lock button on the key fob. Came back from shopping and the engine was running and fob would not unlock the doors. Put new battery in fob... And still wouldn't work.used spare fob... It would not open door. I could not shut off engine. Called aaa they came out, took apart the handle and inserted the fob key to gain access and was able to shut off the engine. Lexus service said computer did not show any malfunction though 3 humans witnessed it.”

“The car has a random delay problem when accelerating to pass a vehicle on the highway can cause a rear end collision that Lexus try to fix by changing the both engine heads completely but it didnot solve the problem entirely. After oil changes the car lags and delays due to valves not sitting correctly (valves are in the heads). Lexus is aware of this problem but has no resolution and do not see it as a safety issue. This is very scary and has been told to Lexus by a number of customers. It is all over online forums and it affects 2007-2009 Lexus LS460 (all trims) has 5 sec. …”

“The contact owns a 2007 Lexus ls 460. While attempting to accelerate from a stop sign, the vehicle lost power. The accelerator pedal was depressed, but the vehicle failed to accelerate and increase in rpms. The vehicle was taken to a dealer where it was diagnosed that the spark plugs needed to be replaced, the engine control unit needed to be reprogrammed, and the fuel lines needed to be flushed. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 64,000... Updated 12/22/16”