Tar Heel Person 4.6L or 5.4L?
not to bad for as many that were built.my neighbor has one,had it several years,NO problems on his.
Ignition Coil Failure Due to Excessive Spark Plug Gap
Verified
An illuminated Check Engine Light could indicate that one or more of the ignition coils has failed due to excessive spark plug gap. To fix this problem, the ignition coils that have failed, the spark plugs, and all coil boots should be replaced.
68 Reports
One or More Spark Plugs May be Ejectioned From the Cylinder Head
Verified
There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.
55 Reports
Check Engine Light Due to Failed MAF Sensor
Verified
The mass air flow sensor (MAF) may fail resulting in a rough engine idle, hesitation on acceleration, and/or engine stalling. The Check Engine Light may or may not illuminate. A failed mass air flow sensor will require replacement.
39 Reports
Rough Idle Caused By EGR Sensor Sticking
Verified
Intermittent rough idle may be caused by the EGR sensor sticking, causing the EGR valve to stay slightly open. Our technicians tell us the valve and sensor must be replaced together to correct this concern.
23 Reports
Rough Idle Due to Cracked PCV Hose
Verified
The PCV hose may crack, causing the vehicle to idle roughly, this may or may not illuminate the Check Engine Light.
20 Reports
Check Engine Light due to worn spark plugs
Verified
An illuminated Check Engine Light may indicate that the spark plugs are worn; this will cause intermittent misfire and damage to the coil packs.
17 Reports
Engine Idle irrati, surges when put in drive..
Reported by BenjieRaymond and 1 other
My 20 02 Expedition has 190,000 miles. It has been a good vehicle other than 2 fuel pump replacements. Idle normally 600 rpm. Last couple of days Idle oscillated up to 1200 and down to 500. When put in gear it was surging to 2000, with associated lunging.
checked for Vac leaks none noted. Cleaned the IAC Seams to have resolved the problem
2 Reports
