hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
99,750 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.

2007 Lexus GX 470 engine problems

engine problem

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2007 Lexus GX 470 Owner Comments

problem #2

Jul 252016

GX 470

  • 143,000 miles


I own this Lexus 2007 GX470, at 120,00 miles has a completely overhauled and now 143,000 miles all yellow warning lights illuminated that including "engine" the engine starts make noise and king of dragging somthing, after diagnostics. "the secondary air injection system switching valve stuck open both one and two" I called dealer and total parts cost me $1,200 not include labor yet. That's ridiculous.

- Garland, TX, USA

problem #1

Nov 202015

GX 470 8-cyl

  • 56,500 miles
I am the owner of a 2006 Lexus GX470 (VIN [xxx]). a month or so ago, at or about 56,500 miles, the check engine light came on along with about three other yellow warning lights. Also, the engine went into a mode that barely allowed me to drive down the road. On or about January 27 of this year, I limped to the Lexus dealer for inspection. As the attached report indicates, my vehicle was diagnosed with a failure of the secondary air system with a repair estimate of $2,114.60. (see page 9 of the attached autopoint fitness inspection & treatment plan). After research, it appears that this problem is very common with this engine type. I would assert that mine is a defective vehicle. It seems the secondary air pump (part of the emissions system) is defective and deteriorates, causing the entire system to stop working. This then causes the engine control system to reduce the engine to a "limp mode" that is dangerous and dysfunctional. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Travelers Rest, SC, USA

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