1998 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
got one here for all you ford guys. tryed to smog this thing and it failed on hc and co. while testing found that when you hold it at about 2200 rpm the ltft goes to -25 on both banks and short term goes jumping around the -10 area. the injector pulse is at 3....
FIX posted 5/2/2007
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Message Closed w/FIX
Vehicle Data1998 Ford F-150 Lariat
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 Ford F-150 Lariat
VIN | 1FTRX07L3W |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |