I have a code 1391 on my 1999 dodge ram.I have already replaced the cam position sensor and it still won't start.It had 3 codes on it the first was a P0340 the second a P1391 and the 3rd was a P0740 What is a cmp on the 1391 code?Thanks,Nate.
Feb 11, 2006 at 3:35 PM