Hey- Shortly after I bought my "99 Expedition, the 4x4 light on the dash began flashing. The vehicle is in standard all wheel drive, and had not recently been in 4 wheel. Now, it will go into 4 wheel, light stays steady, the 4 wheel drive is working, but when I disengage it, the light returns flash…

1999 Ford Expedition 4x4 light flashes when NOT engaged

tardis February 6, 2011, 10:54pm 7

A generic scanner won’t pick up these codes. You need a Ford specific scanner. If the light is flashing, there are stored codes.