So i rolled over 100k on my 2001 ranger 4x4 edge, and a light comes on the code is po171 and po174 running to lean, has anyone else had this happen? Where should i start? Thanks everyone hope everyone had a good thanksgiving!!

 

its the 4.0 engine by the way.

 

You can get some ideas from this thread: https://www.ranger-forums.com/forum2...ad.php?t=31390