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1996 Ford F-150 Special 4.9L MIL Lamp on
I have this little nightmare eating my lunch here, 96 f150 4.9 liter keeps seting code po171 for system too lean on bank 1, i have replaced all 3 o2 sensors, cleaned the MAF sensor, found duct from maf to throttle body loose (not the problem ) fuel pressure ap...
FIX posted 8/22/2002
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Message Closed w/FIX
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17 Replies Received
17 Replies Received
Related Documents & Media | VIN | IFTEF15Y48 |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi port |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Misc. | Work Truck |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1996 Ford F-150 Special
| VIN | IFTEF15Y48 |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi port |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Misc. | Work Truck |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video