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2000 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to Ford Driveability on 12/17/2012 11 Replies

Need some input on this one. The truck has no codes, but I can generate o2 heater circuit codes when o2's are unpluged. Maf code when maf is unplugged. The problem I have is when the vehicle is running the o2 voltages stay on 0 and the fuel trims stay on 0. If...

11 Replies Received (View Replies)

  Related Documents & Media  2000 Ford F-150 Lariat

 
Message Closed w/FIX

car Vehicle Data

2000 Ford F-150 Lariat

VIN 1FTRX17L9Y
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

2000 Ford F-150 Lariat

VIN 1FTRX17L9Y
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways