Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 05 Nissan Frontier 4.0 low oil pressure › Reply To: 05 Nissan Frontier 4.0 low oil pressure July 15, 2020 at 10:11 pm #961109 JamesParticipant It is usually the pump so it is worth checking and replacing if it has been acting up.