Service Engine Soon Light

[ColoradoSilverado]

This light came on yesterday, is this something I have to have checked at Autozone with a scanner?

Bert

[j cAT]

I think you answered your own question...get dtc then post results

[ukrkoz]

http://www.automotiveforums.com/vbul...d.php?t=622469

and, of course, to be laughed at, but i simply had gas cap changed to vented one (pretty red and, for a change, is made in USA) for 6 bucks, flushed it all down with seafoam - and i am closing on a year. keep laughing.