Bought a brand new Autotrail Apache 700 se 4 weeks ago, yellow engine warning light on within hours, checked out by supplier who advised ok to drive as we had a week booked in Devon for our first trip,,,,,ran like a dream got more than 25 mpg, perfect as a motorhome,,BUT THEN we booked into Fiat on our return to look at the fault,,,,2 weeks later just been advised fault is clear,,,picking it up tomorrow,,,,anyone else had any similar issues,,,,,,,,,,,hopefully just a blip