help with a 98 explorer sport check engine light

[pa ford]

I have the codes they all have to do with the o2 sencers and running lean an rich. I read the post about the 02 and the 90 deg hose but it is diff. than my sohc any ideas? Thanks for the help Paul

 

[swetrid]

What codes and which engine? If its 4.0L sohc its probably intake gaskets.

 

[pa ford]

p1131 p1132 p1151 p1152 p1506 new cats have been installed already

 

[pa ford]

the 02 s look new as well. no rust but i cant seem to crack them loose