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1993 Ford F-250 XL 7.5L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black smoke
Posted to Ford Driveability on 11/5/2004 17 Replies

Code 41 when it came in, lean condition. Engine is running rich, black smoke mostly starting out with moderate to heavy acceleration. Spark plugs, fuel pressure regulator, coolant temperature sensor, all injectors and O2 sensor were replaced. Fuel pressure is ...

17 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1993 Ford F-250 XL

VIN 1FTHX26G7P
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black Smoke
OccursOn Accel, Idle

Trouble Codes

41Lean HEGO sensor not switching
42Rich HEGO sensor
Message Closed w/FIX

car Vehicle Data

1993 Ford F-250 XL

VIN 1FTHX26G7P
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black Smoke
OccursOn Accel, Idle

Trouble Codes

41Lean HEGO sensor not switching
42Rich HEGO sensor