Hello everyone, my check engine light is on in my 1993 volvo 850 GLT. The car runs fine but i cant get it smogged unless i can get the light to turn off. Is there any quick inexpensive fixes for this problem? What do you think the problem might be and how can i fix it?

Thank you
-shaver5000

 

Pull the codes and tell us what they are.
http://www.troublecodes.net/Volvo/

 

when i plug the thing into the 2 port on the B side it flashes 1-2-2 air temp sensor signal. Im not sure whether to plug it in the A side or B side though

 

You will need to pull codes from A-2
B-2 is for the cruise control.