2001 Pathfinder (O2 sensor)

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Brent Patterson - 20 Nov 2005 07:35 GMT

Approximately 8 months ago I noticed my "service engine soon" lamp on. I had
it looked at and found that it was a oxygen sensor that would cost $215 to
repair. I recently had it repaired along with a 70K mile comp tuneup.
When I got the vehicle back, I put fuel-injector cleaner in the gas. The
very next day I noticed the "service lamp" on again. I was told that the
injector cleaner was not O2 safe. Anyone familiar with this?

Thx...

Brent

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JimV - 20 Nov 2005 15:26 GMT

> Approximately 8 months ago I noticed my "service engine soon" lamp on. I had
> it looked at and found that it was a oxygen sensor that would cost $215 to
[quoted text clipped - 6 lines]
>
> Brent

Sounds like BS to me. You need to have the codes read so you know what
it's complaining about.

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E Meyer - 21 Nov 2005 17:11 GMT

On 11/20/05 1:35 AM, in article RGVff.586634$xm3.156195@attbi_s21, "Brent
Patterson" <brentcj@mchsi.com> wrote:

> Approximately 8 months ago I noticed my "service engine soon" lamp on. I had
> it looked at and found that it was a oxygen sensor that would cost $215 to
[quoted text clipped - 6 lines]
>
> Brent

Specifically, what fuel injection cleaner did you use?

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Dino - 22 Nov 2005 00:46 GMT

Could be the gas cap and nothing to do with the cleaner. Trying removing
and putting it back on tighter and see if it goes away in a day or two. It
must have a good seal. Happened to me.

Some cleaners specifically say they aren't catalytic compatible.

Also, which O2 sensor was it? Replacing one of them requires a computer
firmware update, there's a tech bulletin on that. 02006 or maybe another,
not sure which it is. If you took it to a dealer, I'd assume they would
have checked that. Someone else might not have though, or have the ability
to reprogram.

http://www.nissanhelp.com/Bulletins/Pathfinder/2001/1.htm

> Approximately 8 months ago I noticed my "service engine soon" lamp on. I
> had it looked at and found that it was a oxygen sensor that would cost
[quoted text clipped - 7 lines]
>
> Brent

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nfisherman - 23 Nov 2005 03:51 GMT

> Approximately 8 months ago I noticed my "service engine soon" lamp on. I had
> it looked at and found that it was a oxygen sensor that would cost $215 to
[quoted text clipped - 6 lines]
>
> Brent

My SES lamp came on about 6 months ago ('02 PF). I took it to my
friendly Autozone store and they read the code. I don't remember the
code number, but it translated to the left front 02 sensor. It must
have been a transient problem because Autozone cleared the trouble code
and the light didn't come back on. I'm thinking of buying one of those
code readers so that I can reset the code and be sure that it's a real
problem before I take it in for repair.

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