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2006 Lincoln Navigator Ultimate 5.4L Misfire
Posted to Ford Driveability on 1/23/2012 24 Replies

came to us with a bad miss on 4 under a load. it starts with a slight spark knock just before it goes into a complete miss on cyl. 4. we have checked running compression wich is good, exh. back press. is below 1 psi.

We also did a induction cleaning just to ...

24 Replies Received (View Replies)

  Related Documents & Media  2006 Lincoln Navigator Ultimate

 
Message Closed w/FIX

car Vehicle Data

2006 Lincoln Navigator Ultimate

VIN 5LMFU28576
Engine5.4 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load

Trouble Codes

P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2006 Lincoln Navigator Ultimate

VIN 5LMFU28576
Engine5.4 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load

Trouble Codes

P0304Cylinder 4 Misfire Detected