DTC P0171: Bank 1 Fuel Injection System Too Lean Or DTC P0174: Bank 2 Fuel Injection System Too Lean: Notes

WARNING: This page is about a different car, the 2002 Nissan Pathfinder and 2002 Infiniti QX4. 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. Use appropriate illustration to identify harness connector locations or terminals. See CONNECTOR IDENTIFICATION .