P0174 code

[E53fan16]

So Friday night while driving home the SES light comes on. Needless to say, I was pretty annoyed, I hate that thing on my dash. Saturday morning drove around a few running some errands and the SES mysteriously goes away. Nonetheless, I still proceed to check it out and pull code P0174(system too lean bank 2).

The prior week before noticing the light on Friday, I had my power steering hose replaced at my indy shop because I was losing fluid with time. It was a different tech that worked on the vehicle than my normal guy. He seemed to be tugging around a bit as he changed the hose and put back together whatever he needed to put back.

Not trying to point any fingers at the guy, just wanted to know is there anything that could have been jostled around when he was changing the hose that would trigger the SES light? I have not checked the MAF yet.

The vehicle also seems to bogg down a bit when I get on it, which I did not experience prior to noticing the SES light.

Thanks