02 questions-NOT replacing it

[twitchy]

Wondering...is there any point in changing the O2 sensor before the engine light comes on?

Can they "wear out" or do they just stop working?

Would you use an aftermarket one or go dealer?

Are they very expensive?

[BEISSEN]

I think after about 100,000+ miles you should replace the O2 Sensor you can goto any auto part store ad get a new one thery are not special order or anything.

[9524tee]

Wondering...is there any point in changing the O2 sensor before the engine light comes on?

Can they "wear out" or do they just stop working?

Would you use an aftermarket one or go dealer?

Are they very expensive?

yes there is a point , if its over 50k miles old ,,, it will improve your mileage a bit , and if mostly , give you better emmisions .

[RPS13_SR20DET]

oxygen sensor isnt that expensive... probabaly under $50 i think aftermarkets O2 sensor are fine... but u might need to have a special socket to install or take it out... correct me if i am wrong..

[Var]

14 bucks for a one-wire obdI sensor. i think autozone has em for under 20...i think 240's have enough room for you to wrench it out without the special socket.

[twitchy]

everyone is telling me theyre like $200 CAD...im going to call on monday

is bosch a good name?

[Ghettokracker71]

everyone is telling me theyre like $200 CAD...im going to call on monday

is bosch a good name?
yeah bosch has a GREAT rep...but I personally have never used them