vs clubby ready for dyno

[mr_clubby96]

hey guys ive just been thinking if i should changed my 02 sensor before my car gets tuned it hasnt been changed since i bought the car is it a good idea to change it now

[wikky]

If you know/think it's knackered then change it, otherwise I wouldn't worry about it.

[mr_clubby96]

oh mate sweet i had in mind to change it but i guess no point if there nufn wrong with it i just noticed it was white around the 02 sensor also when i changed the plugs they where slightly white i think cause it hasnt been dynoed tuned yet npz champ