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1998 Ford F-250 Lariat 4.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 5/15/2008 8 Replies

i need a little help w/ this one truck came in w/ misfire #8 leak down showed intake leak 0 compression. we sent the head out and reinstalled. now has misfire #6 and #7 cranking compression 125 to 130 running compression drops to 50 lbs. approx. any ideas ? do...

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  Related Documents & Media  1998 Ford F-250 Lariat

 
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car Vehicle Data

1998 Ford F-250 Lariat

VIN 2FTPX28W3W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected
P0307Cylinder 7 Misfire Detected
Message Closed

car Vehicle Data

1998 Ford F-250 Lariat

VIN 2FTPX28W3W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected
P0307Cylinder 7 Misfire Detected