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1998 Ford Explorer XL 4.0L Surge, Poor Fuel Economy, MIL Lamp on
Hi, This ford has two codes..p0171..p0174.. Truck runs ok hot. When it first starts up in a.m. the idle goes up and down. From 2000 rpm to 500. My scanner tips were not much help. I hear a hissing from upper intake. I can't see much the way it's packed with st...
FIX posted 1/6/2001
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| VIN | 1FM2UB4EGW |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Surge, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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Vehicle Data
1998 Ford Explorer XL
| VIN | 1FM2UB4EGW |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Surge, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video