DTC P0171: Fuel Injection System Too Lean - Bank 1 Or DTC P0174: Fuel Injection System Too Lean - Bank 2: Notes
WARNING: This page is about a different car, the 2003 Nissan Altima. 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 apply to 3.5L.