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2005 Ford F-150 FX4 5.4L Misfire, MIL Lamp on
Posted to Ford Driveability on 3/9/2017 27 Replies

Vehicle came in a few weeks back with a misfire (dead miss). Customer requested change spark plugs. Number 8 spark plug broke, but have the Lisle extractor kit and removed broken plug no problem. Installed a set of brand new plugs and still had a dead miss on ...

27 Replies Received (View Replies)

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car Vehicle Data

2005 Ford F-150 FX4

VIN 1FTPX14595
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P1184Supercharger Inlet Pressure Sensor Circuit High Voltage
Message Closed

car Vehicle Data

2005 Ford F-150 FX4

VIN 1FTPX14595
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P1184Supercharger Inlet Pressure Sensor Circuit High Voltage