× 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
2000 Lincoln Navigator 5.4L Poor Idle Quality, MIL Lamp on
Posted to Ford Driveability on 10/15/2008 6 Replies

THIS TRUCK KEEPS SETTING CODE p0174 p0171. MASS AIR FLOW SENSOR HAS BEEN REPLACED WITH KNOW GOOD ONE. YOU CAN DRIVE THIS TRUCK ON THE HIGHWAY FOR 2 HOURS AND NOT SET THIS CODE. DRIVE IT AROUND TOWN AND IT SETS 174 171 LEAN BANK 1 AND 2. THE INTAKE MANIFOLD WAS...

6 Replies Received (View Replies)

  Related Documents & Media  2000 Lincoln Navigator

 
Message Closed w/FIX

car Vehicle Data

2000 Lincoln Navigator

VIN 5LMPU28A2Y
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI,NO MODIFICATIONS
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2000 Lincoln Navigator

VIN 5LMPU28A2Y
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI,NO MODIFICATIONS
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)