Patrol 4x4 - Nissan Patrol Forum banner

02 sensors

  1. Nissan Patrol GU/GR Y61
    Hi all I have a 2010 model 4.8 and looking to get some extractors that only have the 2 o2 sensors, ive heard that the pre cat sensor's are responsible for the air/fuel ratio and just wondering what my options are for the post cat sensors, can I remove them?
  2. Nissan Patrol GU/GR Y61
    Hey guys wondering if someone could please help. We have a 05 ti 4.8 auto patrol on duel fuel with a new sports exhaust and headers. we got the exhaust done as we went through two cat converters in 11 months. After this it wouldnt idle on petrol and very unresponsive except on gas was fine . But...