
2002 Ford Explorer Sport Trac XL 4.0L MIL Lamp on
Hi, have 02 sport trac with p0171 and p0174. Replaced intake gaskets, spark plugs and wires, has new pcv hose, new maf sensor, and new fuel filter. Both bank ltft's go to 20% at idle, stft stay at -3 to 3% at idle. If engine rpm is held up we get same readings...
FIX posted 2/9/2017
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Message Closed w/FIX
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VIN | 1FMZU77E72 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2002 Ford Explorer Sport Trac XL
VIN | 1FMZU77E72 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |