>I have a peugeot 406 1999 and the engine managment light comes on after
> driving about 2 miles, I understand that it is telling me there is a
> problem with either the cat converter on the lambda senser, but how do you
> tell which one ,without the costly method of trail and error,
The engine management light usually means that there is a message waiting to
be read. The message may give you more information. You need to find a
garage (or Pug dealer) with the kit to download the message.

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Keith Willcocks
(If you can't laugh at life, it ain't worth living!)
Nigel - 01 May 2007 01:19 GMT
>>I have a peugeot 406 1999 and the engine managment light comes on after
>> driving about 2 miles, I understand that it is telling me there is a
[quoted text clipped - 4 lines]
>be read. The message may give you more information. You need to find a
>garage (or Pug dealer) with the kit to download the message.
And there's a lot more things that put the light on than cat and
Lambda.