'98 XLT, 4.0 SOHC, 4x4 Auto 52,000 miles.
Recently, I'ts stalled a couple of times when I try to start it in the morning. It would try sputter and die. Today, I started it (hasn't been started in 36 hours) about 10 degrees out, and it would rev up to 2000 RPM and then down to 500 and then...