skipnrocks
Well-Known Member
So we have been fighting the cooling system on my dads 6.0. It runs at 230-240 all day no matter the temp. So we had an engine tuner look at it to see if it was running lean and he ran some tests and says its running at 190 never more. Which seems to be true you can hold your hand on the rad return. So my question is with new guage and new sending unit what's causing it to Have a false reading?