Quote:
Originally Posted by ian@jewelorjalopy
Nope, what Ed says. They are only there to measure the cat efficiency, and will tell you when they go bad. If they don't throw a code, keep them.
|
How about the pre-cat oxygen sensor for me? I have 168k miles. Should I replace them 'just because', or wait for something?
__________________
2000 528i w/steptronic
|