exhaust smoke

[Lyles240sx]

My exhaust allso smells rich would changing my o2 sensor help. Thank you

[rob912]

it could but what color is the smoke?

[Lyles240sx]

Its a vary light blue witch i know my rings are going But prity rich.I would hope the o2 would help lower the amount of smoke coming out of my exhaust.

[psi240]

get ur self a $25 compression tester and test ur motor first

[Lyles240sx]

If i test it what would i be looking fore.

[psi240]

a consistent number

most of the ka's ive tested hit 180psi across with +/- 5 variation.some of the lower km ones hit 200psi across.

[Lyles240sx]

Thank you for that i will try it out.