× 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
2004 Jeep Wrangler Rubicon 4.0L MIL Lamp on
Posted to Chrysler Driveability on 12/8/2008 11 Replies

Hello Thanks for your in advance. Jeep came in with codes P0171 & P0174 Lean on both front & rear Banks. Found fuel pressure to be low. So we replaced fuel pump now we have 57PSI & reset all adaptives & did a drive cycle. While on drive cycle found LT front @ ...

11 Replies Received (View Replies)

  Related Documents & Media  2004 Jeep Wrangler Rubicon

 
Message Closed w/FIX

car Vehicle Data

2004 Jeep Wrangler Rubicon

VIN 1J4FA69S64
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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

car Vehicle Data

2004 Jeep Wrangler Rubicon

VIN 1J4FA69S64
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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