2006 Mercury Milan Q&A
2006 Mercury Milan Question: P0410 & P0491 Codes
P0410 is a generic AIR system inop code. I do not see a P0491 air system fault code - could it be P0419 - that would be a fault for air injection system "B" relay. - Oakman
I have two pending codes that are making my emission light stay on 1)P0410 and 2)P0491 I busted passed my sticker a month ago and I just did oil. Since the light came on went to two places to see ...