Saturn L300 Smog

Browse Saturn L300 Smog questions and answers. Choose a question that matches your symptoms.

2 discussions

I Did Not Pass Smog. May You Please Advise What Is...

2004 SATURN L300
I Did Not Pass Smog. May You Please Advise What Is Code P421. I Changed One Sensor Which (bank 1) But Engine Lite Is Still On. How Many...
1 ANSWER
Asked by Anonymous

2003 Saturn L300 Emissions

2003 SATURN L300
2003 Saturn L300 6 Cyl My Saturn L300 Failed The Emissions Test. We Put The Scanner On It And The Bank 1 & 2 Sensors Were Reading...
1 ANSWER
Asked by Dentman

Browse other repair topics

Browse by repair topic
EGR ValveEVAPPCVSmog

    Can’t find your issue?

    Ask a new Saturn L300 question