One problem related to engine noise has been reported for the 2007 Lexus GX470. The most recently reported issues are listed below.
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.
| Check Engine Light On problems | |
| Engine Noise problems |