Question

P0490 - Have a 2003 Toyota Corolla, will I be able to pass an emissions test in phoenix AZ

Answer 1

If the engine light is ON and you have the P0490 code, your Corolla won't be able to pass the emissions test. You have to fix the problem first.

P0490 - Exhaust Gas Recirculation Throttle Control Circuit 'A' Circuit High
Read more: https://www.autocodes.com/p0490.html