Oledirtypearl86
Full Access Member
Any on have a good grasp on thease I have a 2011 3500 in my shop that came in and it had a bad tune I fixed the tune and it runs like a scalded dog till 2500 rpm and drop on its face till 3000rpm and is all good I got a code for low fuel rail pressure I read the pressure and at peak demand I'm getting 11k psi in nuteral I can get 15k psi but still fall short has anyone seen this