DTC P0171: Fuel Injection System Too Lean - Bank 1, DTC P0172: Fuel Injection System Too Lean - Bank 2, DTC P0174: Fuel Injection System Too Rich - Bank 1 Or DTC P0175: Fuel Injection System Too Rich - Bank 2: Notes

WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM. DTC P0174 and DTC P0175 apply to 3.3L.