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2002 Ford F-150 King Ranch 4.6L MIL Lamp on
have codes p0171 and p0401 replaced bank 1 o2 and DPFE but codes keep coming [...] carb cleaner on intake but cannot find a vacuum [...] hose looks ok.i put vacuum on egr with engine running and it makes no difference how engine runs so i pulled valve to see i...
FIX posted 4/13/2013
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Message Closed w/FIX
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12 Replies Received
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Related Documents & Media | VIN | 1FTRW07682 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
2002 Ford F-150 King Ranch
| VIN | 1FTRW07682 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0401 | EGR System Insufficient Flow Detected |
Video