
1999 Ford Expedition Eddie Bauer 5.4L MIL Lamp on
This is kicking my butt. Vehicle came in with both banks lean and #3 misfire codes. Forgive me but I forgot to print my fuel trims at the time, but they were in the teens. Found the engine oil cap missing. So I installed one and fuel trims got a lot better. Bu...
FIX posted 7/6/2017
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VIN | 1FMPU18L3X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / multi port |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Off Idle |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0303 | Cylinder 3 Misfire Detected |
Message Closed
Vehicle Data
1999 Ford Expedition Eddie Bauer
VIN | 1FMPU18L3X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / multi port |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Off Idle |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0303 | Cylinder 3 Misfire Detected |