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2000 Ford F-250 Super Duty Lariat 5.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy
Posted to Ford Driveability on 7/13/2016 12 Replies

ok truck is running rich, you can smell it from the tail pipe and its backfiring, fuel trim is 25- on bank one and drops to 0 under load and fuel trim on bank 2 is 25+ and drops down to 0 under load as well, problem is intermittent, I pulled the vacuum hose of...

12 Replies Received (View Replies)

  Related Documents & Media  2000 Ford F-250 Super Duty Lariat

 
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car Vehicle Data

2000 Ford F-250 Super Duty Lariat

VIN 1FTNX20L5Y
Engine5.4 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy
OccursIntermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
P1132Glow Plug Module Internal Fault
Message Closed w/FIX

car Vehicle Data

2000 Ford F-250 Super Duty Lariat

VIN 1FTNX20L5Y
Engine5.4 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy
OccursIntermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
P1132Glow Plug Module Internal Fault