Question

2004 Nissan Titan with engine code P1051, how do I fix it?

Answer 1

Hi there,

This code is for the bank 2 O2 sensor, sensor #1. In most cases replacing the sensor will resolve the issue. This is the first sensor on the passenger side of the truck mounted in the exhaust manifold.

Answer 2

P1051 NISSAN Code - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2

Read more: https://www.autocodes.com/p1051_nissan.html