Re: [Peugeot-L] peugeot 505 sensor light

From: Alex Zepeda <alex.zepeda_at_gmail.com>
Date: 07/16/05

On Sat, 27 Nov 2004 18:46:40 -0500, Brian Holm <peugeots@vtlink.net> wrote:  

> That is the lambda sensor light. But it has nothing to do in fact with the
> lambda sensor itself. The light is actuated by a counter, connected to the
> speedometer cable, which turns the light on after 35,000 miles, causing you
> to think you should replace the lambda. You can reset the light switch
> which is mounted on the end of a short cable, next to the master
> cylinder. Or just disconnect it from the cable to avoid having to do this
> again.

IMO you may as well replace the sensor. If you've got a 35,000 mile counter, the car is probably using the cheap unheated sensors which you can find for about $30 (or less). Go for a generic Bosch sensor for a late 80s Mustang V8. If changed regularly, it's one less thing to rust into the exhaust system.

There are two basic qualities that you can identify your oxygen sensor by:

1.) Heating element
2.) Sensor material

The unheated sensors have one wire, and are usually rated by the mfr. for 10-30,000 miles. The heated ones have two, three, or four wires and are, AFAIK, rated for about 60,000 miles or more.

There are two types of elements: zirconium and titania. I belive most sensors are found

--
alex


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Received on Sat Jul 16 11:47:43 2005