[Diy_efi] O2 sensor

[Adam Wade]

--- Tyler Madia <tmadia at uswest.net> wrote:

> I believe one of the O2 sensors has failed on my
> Toyota Tacoma.  It has one before the cat and one
> after.  Which one is most likely to fail first?  Is
> there a way of checking which one has failed?

Either should almost certainly give you a trouble
code.  The later sensor failing might make the ECU
think that the cat had failed, so look for a trouble
code for that as well.

What is making you think something is wrong?

=====
| Adam Wade                       1990 Kwak Zephyr 550 (Daphne) |
|   http://y42.photos.yahoo.com/bc/espresso_doppio/lst?.dir=/   |
| "It was like an emergency ward after a great catastrophe; it  |
|   didn't matter what race or class the victims belonged to.   |
|  They were all given the same miracle drug, which was coffee. |
|   The catastrophe in this case, of course, was that the sun   |
|     had come up again."                    -Kurt Vonnegut     |

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