Quote:
Originally Posted by jchammond
I’ll let you borrow one of mine 
Just to see if that’s the problem, as I just removed 4 
Front AFR sensors are tapered head & rear one’s are flat  |
If he’s getting that bank 1 lean code then it’s the fuel trim sensor in the manifold collector. Only two of those four you pulled out would work. Thankfully you can get to that bank 1 from the top with the appropriate number of extensions on your ratchet.