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1999 Ford E-350 Super Duty 6.8L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 5/18/2020 11 Replies

We have this 99 Ford e350 with an issue with both banks reading rich. When this vehicle initially came in, it had many more codes in the ECM including P0135, P0141, and P0155 which are all 3 02 sensor heater circuit codes, p1132 and p1152 which is both ups...

11 Replies Received (View Replies)

  Related Documents & Media  1999 Ford E-350 Super Duty

 
Message Closed w/FIX

car Vehicle Data

1999 Ford E-350 Super Duty

VIN 1FDWE37S4X
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.Cutaway

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 Ford E-350 Super Duty

VIN 1FDWE37S4X
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.Cutaway

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)