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1998 Ford F-150 XL 4.2L Misfire, MIL Lamp on
Posted to Ford Driveability on 5/6/2002 34 Replies

when accelerating you can feel miss .when i unplug egr valve miss goes away but will code po401, egr flow .if i plug egr vacuum line back in ,it will code number#6 cyl. misfire.

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  Related Documents & Media  1998 Ford F-150 XL

 
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150 XL

VIN 1FTZF1721W
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursHot, Under Load

Trouble Codes

P0306Cylinder 6 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150 XL

VIN 1FTZF1721W
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursHot, Under Load

Trouble Codes

P0306Cylinder 6 Misfire Detected