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2004 Ford F-150 FX4 5.4L Poor Idle Quality
cleared codes, cleaned induction system, added 1/2 qt trans fluid to engine and roadtest, only lean/rich codes came back, idles crappy. reset kam and recheck fuel trims, adding fuel and removing fuel on other bank..
FIX posted 1/22/2010
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FTPW14564 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2004 Ford F-150 FX4
| VIN | 1FTPW14564 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video