When the light (MIL) comes on...the O2 sensor is already bad.
The second one (post-cat) isn't necessary but wouldn't hurt as it will
get clogged eventually. I normally replace both to keep things running
properly.
- Bernd
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net] On Behalf Of Wes Weems
Sent: Tuesday, November 27, 2001 1:15 AM
To: dakota-truck@buffnet.net
Subject: DML: Re: RE: Fw: Oxygen Sensor question
Bernd, do you know if replacing the secodn one is absolutely necessary?
I mean I never did as per advice on this list... somone said it just
lights a check engine lite or somethin when the emissions get to high...
Wes
----- Original Message -----
From: "Bernd D. Ratsch" <bernd@texas.net>
To: <dakota-truck@buffnet.net>
Sent: Monday, November 26, 2001 5:44 PM
Subject: DML: RE: Fw: Oxygen Sensor question
>
> Factory replacement is about the only way on the O2 sensors. I've
> seen to many aftermarket (cheapy) O2 sensors fail after 20-30K miles.
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net] On Behalf Of jay & dana
> Sent: Monday, November 26, 2001 7:40 PM
> To: DML
> Subject: DML: Fw: Oxygen Sensor question
>
>
>
> I sent this out before the Thanksgiving Holiday and have had no
> response yet, so I thought I would throw it out once more.
>
> Thanks
>
> >Since I think it's time, can anyone recommend a good replacement part
> such
> >as Neihoff, Bosch, stock Dodge, or ?. I have a 97, 318, 4x4 and I
> know it
> >takes two (1 before and 1 aft the cat) and I would appreciate any
> >advice on part #'s with those of you that have had good luck with
> >your O2 sensors for a Canadian truck. Any advice on this matter would
> >be greatly appreciated.
> >
> >Thanks again
> >Jay
>
>
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