
1993 Ford F-250 XL 7.5L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black smoke
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 ...
FIX posted 12/3/2004
![]()
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)17 Replies Received(Hide Replies)17 Replies Received
|
Message Closed w/FIX
|
VIN | 1FTHX26G7P |
Engine | 7.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black Smoke |
Occurs | On Accel, Idle |
Trouble Codes
41 | Lean HEGO sensor not switching |
42 | Rich HEGO sensor |
Message Closed w/FIX
Vehicle Data
1993 Ford F-250 XL
VIN | 1FTHX26G7P |
Engine | 7.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Black Smoke |
Occurs | On Accel, Idle |
Trouble Codes
41 | Lean HEGO sensor not switching |
42 | Rich HEGO sensor |