need double check of OBD-II number P0158

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digitalpro - 19 Apr 2007 19:46 GMT

Hello,
I have a 99 and ODBII number of P0158.
A quick web search shows 02 Sensor High Voltage (Bank 2 Sensor 2)
Another quick web search shows Bank 2 = Front and Sensor 2 =
downstream after converter.

So before I go and order the part and replace it and all. I would like
confirmation that my intel is good.
Thanks!

ps. would "Front / downstream after converter" be enough information
to order the O2 part?

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digitalpro - 19 Apr 2007 20:00 GMT

> Hello,
> I have a 99 and ODBII number of P0158.
[quoted text clipped - 8 lines]
> ps. would "Front / downstream after converter" be enough information
> to order the O2 part?

Oh, forgot to add this is a Cali model.
And the reason why I need calification is because online I see this

Oxygen Sensor
at center cat. inlet
(below engine) for
Calif. model

at upper left cat.
outlet (radiator side)
for Calif. model

Left - Upper
at left exh. manifold
outlet (radiator side)
for Calif. model

And I know there are four, because an Autoparts dealer said so (is
this correct).
So I'm guessing that front / after the converter would be "upper left
exh"?

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codifus - 19 Apr 2007 22:25 GMT

> > Hello,
> > I have a 99 and ODBII number of P0158.
[quoted text clipped - 30 lines]
> So I'm guessing that front / after the converter would be "upper left
> exh"?

You missed one;

> Oxygen Sensor
> at center cat. outlet
> (below engine) for
> Calif. model

The 99 california Maxima has 4 O2 sensors. One before and one after
the cat plus the 2 in each exhaust manifold.

I find it rather odd that the downstream O2 after the converter has
gone bad. Usually its the ones in the exhaust manifolds that go first.

Your info is good, though.

CD

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digitalpro - 19 Apr 2007 23:06 GMT

> > > Hello,
> > > I have a 99 and ODBII number of P0158.
[quoted text clipped - 49 lines]
>
> - Show quoted text -

Thanks codifus,
but I'm even more confused.
the online o2 stores show
3.0L - V6 Calif.; Direct Fit; After Catalyst; LEFT
3.0L - V6 Exc. Calif.; Direct Fit; After Catalyst; RIGHT

So there are 2 after the catalyst, left and right - which one should I
replace? I guess I could just do them both (about the same price,
right does cost $4 more).
Does Left and Right mean L/R location of the car?
Thanks again

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common_ sense@netscape.com - 21 Apr 2007 04:09 GMT

>> > > Hello,
>> > > I have a 99 and ODBII number of P0158.
[quoted text clipped - 61 lines]
>Does Left and Right mean L/R location of the car?
>Thanks again

Had the same on my 2000 Ca - both bank sensors needed to be replaced,
and the cars computer flashed to reflect the new sensors. Had that
done at the dealer - not cheap, but fixed right.

Not sure your 99 is the same - but just replacing one sensor may not
fix your problem.

and to all you "the dealer is always a rip off" former "terminated by
a Nissan dealer pseudo mechanics" - save your dam worthless flame
posts.

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