This is a multi-part message in MIME format.
--------------2AA47B3E29F9
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
3-O2 sensors on my '98 R/T. One on each upper flange of the "Y" pipe
and one after the cat. Alan S.
--------------2AA47B3E29F9
Content-Type: message/rfc822
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Return-Path: <owner-dakota-truck@buffnet4.buffnet.net>
Received: from phobos.flash.net (phobos.flash.net [209.30.0.42])
by centurion.flash.net (8.8.8/8.8.5) with ESMTP id LAA27294;
Fri, 30 Oct 1998 11:00:35 -0600 (CST)
Received: from buffnet4.buffnet.net (buffnet4.buffnet.net [205.246.19.13])
by phobos.flash.net (8.9.1/8.9.1) with ESMTP id KAA01257;
Fri, 30 Oct 1998 10:59:15 -0600 (CST)
Received: (from majordom@localhost) by buffnet4.buffnet.net (8.8.7/8.7.3) id LAA01499 for dakota-truck-outgoing; Fri, 30 Oct 1998 11:46:34 -0500 (EST)
Received: from buffnet9.buffnet.net (buffnet9.buffnet.net [205.246.19.19]) by buffnet4.buffnet.net (8.8.7/8.7.3) with SMTP id LAA01495 for <dakota-truck>; Fri, 30 Oct 1998 11:46:32 -0500 (EST)
Received: from webserv2.buffnet.net(205.247.125.2) by buffnet9.buffnet.net via smap (V2.0)
id xma012242; Fri, 30 Oct 98 11:46:16 -0500
Received: from mail0.noc0.hsacorp.net (qmailr@catvnet-115-75.catvnet.com [208.219.115.75])
by webserv2.buffnet.net (8.8.7/8.8.7) with SMTP id LAA27404
for <dakota-truck@buffnet.net>; Fri, 30 Oct 1998 11:47:49 -0500 (EST)
(envelope-from HEMI@charter.net)
Received: (qmail 13951 invoked from network); 30 Oct 1998 16:46:12 -0000
Received: from unknown (HELO jackhilton) (208.168.58.41)
by catvnet-115-77.catvnet.com with SMTP; 30 Oct 1998 16:46:12 -0000
Message-Id: <3.0.5.32.19981030114548.008e42f0@pop.charter.net>
X-Sender: hemi@pop.charter.net
X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.5 (32)
Date: Fri, 30 Oct 1998 11:45:48 -0500
To: dakota-truck@buffnet.net
From: Jack Hilton III <HEMI@charter.net>
Subject: Re: DML: Confused about O2 sensors on R/T
In-Reply-To: <3637DCDB.6F4DA576@texnet.net>
References: <3.0.5.16.19981028164226.2b9f19b0@bserv.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Sender: owner-dakota-truck@buffnet4.buffnet.net
Reply-To: dakota-truck@buffnet.net
X-Mailing-List: The Dakota Mailing List
X-Mailing-List-Owner: stei0302@cs.fredonia.edu
X-URL: http://www.cs.fredonia.edu/~stei0302/WWW/DAKOTA/dakota.html
X-Unsubscribe-Info: Send "unsubscribe dakota-truck" to majordomo@buffnet.net.
X-Unsubscribe-URL: http://www.cs.fredonia.edu/~stei0302/WWW/CGI-BIN/dml.html
Lemme check on that , I coullda sworn that there is one after the cat ?
There are NONE behind the converter at all. This is not at
>all like my 98 was.
>
>> This info is from the '97 Dak service manual. Can't think of
>> a reason why it would not apply to the R/T.
>>
>> The manual says that there should be one near the oulet end
>> of the convertor.
>>
>> The upstream O2S sensor is located near the inlet end of the
>> cat. convertor. It "tells" the PCM the oxygen content of the
>> exhaust gas. The PCM uses this to fine tune the air/fuel ratio
>> by adjusting injector pulse width.
>>
>> The downstream heated oxygen sensor is located near the outlet
>> end of the cat. convertor. It is used to detect cat. convertor
>> deterioration. As the convertor deteriorates, the input from
>> the downstream sensor begins to match the upstream sensor input
>> except for a slight time delay.
>>
>> By comparing two inputs, the PCM calculates cat. convertor
>> efficiency. When convertor efficiency drops below emission
>> standards, the PCM stores a diagnostic trouble code.
>>
>
>
>
Jack Hilton
--------------2AA47B3E29F9--
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:10:51 EDT