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1999 Ford Ranger XL 3.0L Lean fuel codes
The truck came in for a CEL. Codes p0171 and p0174 and p0460 were present. I tested fuel pressure and it was at 53psi. tested the O2 sensors and found all three sensors were stuck at 800mv. When I graph the sensors with my scanner the voltage stays constant. I...
Summary posted 5/13/2016
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Related Documents & Media | VIN | 1FTZR15V1X |
| Engine | 3.0 L / 6 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Lean Fuel Codes |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1999 Ford Ranger XL
| VIN | 1FTZR15V1X |
| Engine | 3.0 L / 6 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Lean Fuel Codes |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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