Brush the pork tenderloins with olive oil and sprinkle with the barbecue seasoning.
Grill for about 3 to 4 minutes per side. You want the pork to just be cooked and still have a slight pink tint inside. Check the internal temperature of the pork with a digital thermometer. It should be about 140 to 145 degrees F. Remove from grill and tent with foil to keep warm.
In a small sauce pan over medium heat add the chopped chipotle pepper, honey, orange juice, and mustard and bring to a boil. Continue cooking, stirring occasionally, for about 2 to 3 minutes or until the sauce slightly thickens. Remove from heat.
Slice the pork tenderloin into 1 inch thick medallions. Place on a serving platter and drizzle with sauce. Serve with orange wedges.
Notes
After seasoning the pork tenderloin, set it aside while you get the grill ready ~ about 20 minutes. It's best to grill meat that is closer to room temperature. That way, it will cook more evenly.
Make sure the grill is good and hot before adding the pork tenderloin. A hot grill ensures that the meat will not stick to the grill grate.
Allow the pork tenderloin to grill about 3 to 4 minutes per side. As tenderloins are typically uneven in thickness, the timing of cooking each side can vary.
Use a digital thermometer to check when the pork is done. The internal temperature should be about 140 to 145 degrees F at the thickest part of the meat. Remove the pork from the grill and cover with foil.
The sauce comes together quickly. Keep an eye on it as it boils so it does not overflow. That would be a sticky mess on your stove top.