I had one of the guys at Advance Discount Auto do diagnostics on it & the results were "P0449 Evaporative Emission Vent Valve Solenoid Malfunction". The gentleman said it was probably a specific part but he couldn't be sure which one.
The amber check engine light has been on in my 2008 Saturn Outlook. on 2008 Saturn Outlook
it could be the part or the circuit that works it.these codes can be diff to repair i would rec seeing your mech.