One problem related to starter solenoid has been reported for the 1998 Ford Expedition. The most recently reported issues are listed below.
I own a 1998 Ford Expedition XLT. My check engine light has been on for the past 8 months. When truck is connected to computer for trouble shoot egr code is detected. I have changed egr,solenoid,computer and to this date light is still on. I have been doing research and a large amount of people with Ford Expeditions are having this problem. Please help.