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2005 Lincoln Navigator 5.4L Misfire
Posted to Ford Driveability on 9/14/2010 10 Replies

This is the first 5.4 vin-A, 4 valve engine I have come across & can't find removal procedure for spark plugs. It appears that there is a cover on top of the valve cover that would expose the plugs & coil assembly. I have removed the 2 bolts securing this cove...

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  Related Documents & Media  2005 Lincoln Navigator

 
Message Closed w/FIX

car Vehicle Data

2005 Lincoln Navigator

VIN 5LMRU27A6X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire

Trouble Codes

P0307Cylinder 7 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2005 Lincoln Navigator

VIN 5LMRU27A6X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire

Trouble Codes

P0307Cylinder 7 Misfire Detected