× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2001 Infiniti QX4 3.5L MIL Lamp on, lean exhaust bank 1
Posted to Asian Driveability on 10/9/2009 9 Replies

This vehicle came in with check engine lite and a code of P0171 lean bank 1. The o2 was flat lined so I replaced it and sent the car on it's way. 3 days later the lite came on again same code. The o2's were both moving fine but the bank 1 was more active as it...

9 Replies Received (View Replies)

  Related Documents & Media  2001 Infiniti QX4

 
Message Closed w/FIX

car Vehicle Data

2001 Infiniti QX4

VIN JNRDR07Y51
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Lean Exhaust Bank 1
OccursNot Applicable

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Infiniti QX4

VIN JNRDR07Y51
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Lean Exhaust Bank 1
OccursNot Applicable

Trouble Codes

P0171Fuel System Too Lean (Bank 1)