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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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20 Replies Received
20 Replies Received
Related Documents & Media | 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 |
Video