
1998 Ford F-150 XL 4.2L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Hi Techs, This F-150 98 with 137K miles is running crazy rich. As listed above STFT1 and STFT2 are pegged at -20% @ idle and @ 3K rpms. F/P is good ([...] running). Modis reads no Faults on any injectors. Fuel pulse width is .01 (but not absolutely sure on...
FIX posted 3/20/2018
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Message Closed w/FIX
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VIN | 1FTZX1723W |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
Occurs | Always, Under Load, Idle |
Trouble Codes
P0102 | Mass Airflow Sensor Circuit Low Voltage |
P1507 | Crankcase Filter Restriction |
Message Closed w/FIX
Vehicle Data
1998 Ford F-150 XL
VIN | 1FTZX1723W |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
Occurs | Always, Under Load, Idle |
Trouble Codes
P0102 | Mass Airflow Sensor Circuit Low Voltage |
P1507 | Crankcase Filter Restriction |