Do things like Lamda sensors "wear out"?


New Member
When I finally get my FMIC fitted and manage to replace basic things like plugs, HT leads, Cap and rotor arm, do other things like the Lamda sensor and coil wear out over time?

Would it be worth replacing them even though they aren't actually broken?


New Member
They don't so much wear out, as break down, in both cases, as they don't actually move. The materials they're made from get old and fall apart. The coil may build up resistance and not work as well etc...

As Smo has said though, if it ain't broke, don't fix it.

The only reason you might consider replacing parts is if they are difficult to get to and the job that you're currently doing to the car, will temporarily make access better.
In this case though, the coil is very easy to get to and replace and the lambda sensor isn't really difficult to get to !