Lambda sensor change on a 99 boxster

[Paul Whyte]

Hi folks,

Newbie here,

My car faied its MOT on emmisions, was old by previous owner the Lambda sensors needed replacing.

Can someone please tell me how many I need, where there are situated, and how to replace them.

[Mark_T]

Search "oxygen sensors" - there's lots of info posted.

There is also a good DIY article here:

Pelican Parts