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2004 Jeep Wrangler Rubicon 4.0L MIL Lamp on
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 @ ...
FIX posted 12/21/2008
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 1J4FA69S64 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2004 Jeep Wrangler Rubicon
| VIN | 1J4FA69S64 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video