
1999 Ford F-250 Lariat 5.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
PID readings: Load=17%, Baro=149Hz, 13 PSI, LTFT banks 1 & 2= 25%, MAF= .9 volts, O211 & 12= 0 volts, O221 is switching, 22=.6 volts, STFT 1 & 2= -3% to 3%. Coolant was low, topped off, leaking from radiator. No HCs present in cooling system, oil level is good...
Summary posted 7/17/2014
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)13 Replies Received(Hide Replies)13 Replies Received
|
Message Closed w/Summary
|
VIN | 2FTPX28L0X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0301 | Cylinder 1 Misfire Detected |
P0308 | Cylinder 8 Misfire Detected |
Message Closed w/Summary
Vehicle Data
1999 Ford F-250 Lariat
VIN | 2FTPX28L0X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0301 | Cylinder 1 Misfire Detected |
P0308 | Cylinder 8 Misfire Detected |