Made a 25 mile trip on the interstate. Instant mgp was running from 26 to 31. On return trip the mpg dropped down to 19 to 24 and the engine did not sound right, sounded like it was laboring. Stopped in to my dealer and they could not find any codes in the computer. Don't know what to do.
This is a12 Terrain with the 2.4 engine. 2200 miles.
This is a12 Terrain with the 2.4 engine. 2200 miles.