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2004 Ford Explorer NBX 4.0L Misfire
Posted to Ford Driveability on 6/3/2008 6 Replies

An explorer came in for a check engine light running rough. Installed plugs and wires, but it didn't fix the problem. Looking deeper in IATN found similar cases of misfire where plugs and wires wasn't a fix. Broken valve springs are also common. Got and ok to ...

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  Related Documents & Media  2004 Ford Explorer NBX

 
Message Closed w/FIX

car Vehicle Data

2004 Ford Explorer NBX

VIN 1FMZU73K04
Engine4.0 L / 6 cyl / FLEX
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)
Message Closed w/FIX

car Vehicle Data

2004 Ford Explorer NBX

VIN 1FMZU73K04
Engine4.0 L / 6 cyl / FLEX
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)