One problem related to check engine light on has been reported for the 2011 Lexus GX460. The most recently reported issues are listed below.
Throttle actuator valve stuck open, repaired 3 different times & now secondary air injection system switching valve is stuck open bank 1 car stalls out & goes into limp mode. Check engine light, 4lo, trac light- vehicle is unsafe to drive. Codes p2440 & p2442 this is a faulty part on Toyota tundra & seqouia.
| Check Engine Light On problems | |
| Manifold/header/muffler/tail Pipe problems |