really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
550 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Lexus GX 470 exhaust system problems

exhaust system problem

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2003 Lexus GX 470 Owner Comments

problem #2

Oct 012003

GX 470 4WD 8-cyl

  • Automatic transmission
  • 100 miles


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. Now I'm told by the dealer "sulfur smell has not been uncommon due to high sulfur contents in recent fuel production. Nothing wrong with car, suggest using different fuel supplier." I tried switching gasolines and it doesn't make a difference. Lexus says that it is normal and is because of the sulfur in the fuel. I feel that they should have disclosed this at time of sale. They gave me a copy of a memo dated 2/24/03 addressing the smell, so they obviously know that it is a problem. I would have never bought the car if I knew it was going to smell like this. I am also concerned about the constant sulfur fumes that are in the vehicle.

- Enfield, CT, USA

problem #1

Sep 042003

(reported on)

GX 470

  • 1,000 miles
While driving at any speed the vents spew out a horrible sulfur odor. The odor is so bad that the windows have to be rolled down. Consumer's 14 month old child rides in vehicle. The manufacturer and the dealer have been informed of the problem.

- West Harrison, NY, USA

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