I noticed a new problem with the D it seems to crank a little longer before starting, yesterday I had to stop turning the key and do it again and finally it started it has new plugs, wire, cap rotor button, are fairly new changed them about 500 miles ago, battery seems to be good, I have one of those Accel coils on it, could it be going south? :? any help greatly appreciated! Its on my 99d 5.9 4x4 it has 79k miles on it.