Codes 0171 and 0174
 

Thanx for pointing me in the right direction. Replaced rubber line on pass side btween maf and throttle body. Found o- ring on part that goes to valve cover bad. Replaced and gently tapped it bak into place. Problem solved.

Good Work

Thanks for posting update and the fixes

Continued from post here: https://www.ranger-forums.com/2-9l-3...ranger-150674/