Table 1 shows 16 common electrical system related problems of the 2003 Ford Expedition. The number one most common problem is related to the electrical system (61 problems). The second most common problem is related to the wiring (eleven problems).
My truck stopped working in November 2025. I was told I needed fuel pump and filter. I replaced those and still didn't crank. I was then told I needed a circuit box. Purchased a circuit box and had it put on. Got my truck back February 2026. March 08,2026, truck went out again. Read details...
I was traveling at 70 mph on the interstate. The car popped, sputtered and died. Has steadily gotten more and more frequent. Engine dies at idle, dies at slow speeds as well as faster speeds. Very dangerous! have replaced the pcm, wiring harness, and fuel pump. Is not repaired. Read details...
Check engine light came on while driving home and the engine shut down 4 times each time the battery would die instantly. We had to keep jump starting it to get home. 2 days later the check engine light started flashing. Scanned it came back p0304 cylinder 5 misfire. Changed spark plugs and coils. Read details...