RE: Re: O2 Sensors

From: Bernd D. Ratsch (bernd@texas.net)
Date: Sun Nov 23 2003 - 19:49:55 EST


...and fine-tuning.

- Bernd

-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Jon Smith
Sent: Sunday, November 23, 2003 4:55 PM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: DML: Re: O2 Sensors

The ECU/PCM uses data from the DS o2 sensor to determine Cat. Converter
efficiency/operation.

-Jon Smith

I understand the purpose of the front O2 sensor on a 97, 318. But what
exactly is the purpose of the O2 sensor after the Cat ?

Thanks for any info.
Jay



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