ABS light on
 

A couple of days ago, the ABS light on my 2007 F-250 (6.0 diesel) came on for about 5 minutes and then went back off. I drove about 70 miles and it stayed out. It did it again the next day and went back out. Today it came on and stayed on. I used my TORQUE PRO OBD2 display and looked at the speed indicated for the ABS wheel speeds. Moving slowly, all 3 read identically, but when the truck was driven over 30MPH ABS wheel speed 2, displayed zero.

I imagine that the front wheels are speed sensors 1 & 2, but which one is #2?

Thank you,

Frank

It dawned on me this morning that all I had to do is to jack up one of the front tires, bring up the wheel speed indication on the Torque Pro readout spin the wheel and then I'd know which was which. The left is Wheel #1 and it seems that makes the right #2. My right sensor is completely dead today. I'll order a new sensor and install it.