2003 Ford F-150 XL 4.2L Misfire
engine missfires under load, scan tool showed cyl 3 misfire under component param. replaced spark plug with known good plug, ohmed plug wires, coil has good spark,checked compression, cleaned out egr ports, performed fuel system service, checked egr system, ch...
FIX posted 8/21/2008
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Vehicle Data2003 Ford F-150 XL
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Vehicle Data
2003 Ford F-150 XL
VIN | 1FTRF17293 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Under Load, on Accel |