Engine And Engine Cooling Related Problems of the 2003 Lexus GX470

Table 1 shows five common engine and engine cooling related problems of the 2003 Lexus GX470. The number one most common problem is related to the engine exhaust system (two problems). The second most common problem is related to the engine cooling system (one problem).

Table 1. Engine And Engine Cooling related problems of Lexus GX470


Recently reported Engine And Engine Cooling problems of the 2003 Lexus GX470

The Engine Exhaust System problem

A sulfur odor or rotten egg odor, is present in the car when accelerating. I complained about the smell at my 1,000 mile check up and was told that the smell would be gone by my 5,000 mile check up. The car still has the odor at the 5,000 mile check up.   Read details...

The Engine Cooling System problem

Whenever giving the vehicle moderate to high acceleration, a rotten egg smell comes out of the air conditioner vents. The smell is so bad that it makes me dizzy and I feel like vomiting. I've been told by the Lexus dealer that this is a "normal characteristic of the vehicle" because of   Read details...

The Manifold/header/muffler/tail Pipe problem

When hard accelerating sulfur smell enters cabin makes me nauseated. . . Wonder if carbon monoxide is entering cabin also . When stopping or stopped drive shaft bumps hard like someone hitting back of vehicle.   Read details...


Engine And Engine Cooling related problems in other Lexus GX470 model year vehicles:



GX470 Service Bulletins
GX470 Safety Recalls