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2010 Ford Expedition Limited 5.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to Ford Driveability on 2/4/2014 13 Replies

The vehicle came in for a heavy misfire and check engine light. Found codes p0304 and p0308. Replaced spark plugs due to condition. Misfire returned in less than 1 mile. Replaced ignition coils. Ran good all day until picked up and started up again after a cou...

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  Related Documents & Media  2010 Ford Expedition Limited

 
Message Closed w/Summary

car Vehicle Data

2010 Ford Expedition Limited

VIN 1FMJU2A5XA
Engine5.4 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0304Cylinder 4 Misfire Detected
P0308Cylinder 8 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2010 Ford Expedition Limited

VIN 1FMJU2A5XA
Engine5.4 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0304Cylinder 4 Misfire Detected
P0308Cylinder 8 Misfire Detected