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4th Gen Ram Tech2009 - 2018 Rams and the 2019 Ram Classic: This section is for TECHNICAL discussions only, that involve the 2009 - 2018 Rams and the 2019 Ram Classic. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
when mine primes it sounds like there's lots of air in the line, or the pump has an issue... not sure if maybe i just haven't noticed it, but it's starting to get cold here now, and not sure... Would like some insight...
You could take it in and have the dealer do a fuel line pressure test to see if the output is strong enough. Not sure how easy of access the pump is to get up close to it, put a hand on it see if it is vibrating, running rough etc. The last thing you want is a bum fuel pump at -35C when you have to get to work?!