sleepyrc
February 26th, 2014, 12:21 PM
I have a strange problem we have been chasing for over a year....2008 3500 ltz dually lmm straight 50 horse efi live tune & dpf delete. When pulling 20k trailer in hot weather it will go into limp mode--not often...about once every couple weeks. Only code it shows is ect out of range...but...when running a tech 2 on it-- it reads a failure record that says ect # 1 temp at 210 and ect # 2 at 450....The 2008s only have 1 ect sensor where the 2007s had two. Somehow it is picking up this ghost reading from a sensor that doesnt exist. Is there a possibility that something in the tune could be wrong to make this problem show up? I didnt build the tune myself but have had it back to the tuner and we are stumped...Any info is appreciated....Thanks