Question about 2000 Toyota Sienna

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Check engine light on Toyota sienna 2000 stays on

Check engine light went off when new battery was installed. , then went back on

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Have an auto parts store scan the computer for you.
They most often do this for free (oreilly auto parts and autozone)

Write down the code they give you. Should start with "P" (po442, P1406, etc)

That will be the problem, and they will most likely offer you the part right there.

Toyota is big about EVAP system trouble codes (chech engine lights)

But it could be anything, so this should be an easy fix.

You can even ask them at the parts store where the trouble part is located.

let me know once you find the problem code and I can help more.


Posted on Dec 10, 2012

  • A.S.MArci Dec 20, 2012

    Yes, Eric. Advance auto scanned. Code is p1150. Thank you. It is a fuel problem...but can drive it. What do you say? A.s.marci. Thanks

  • eric allen
    eric allen Dec 22, 2012

    you can drive it, but the problem is most likely the air/fuel sensor. (Mechanics will understand bank 2 sensor 2) The sensor looks like an O2 sensor and is on the back side of the exhaust near the firewall. You can google "2000 sienna air fuel sensor" to get a pic of what it looks like, as well as cheaper prices than most parts stores. hope this helps.



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