2013 Ram 6.7 With Some Motor Issues
I hate the dealer but that is where I am headed for an electrical issue that makes my volume and switches not function. But, my concern is that I am getting poor mileage, I hear a lot of clattering, a...
Forum Discussion
ShinerBock wrote:
The clattering could be a number of things. It could be as small as having lower quality fuel to your HPFP being out of wack as ScottG stated.
Cetane ratings in fuel do affect the sound of the engine. You could throw a bottle of cetane booster or another additive with cetane booster in it to see if the noise goes away. If it does then it is likely the fuel and I would try getting it somewhere else next time. If not, then you know you have another issue.
CA has a minimum cetane rating of 53. Not likely that it is a problem.
