The Cummins 5.9-liter diesel engine has powered Ram trucks since 1989. It went through a few changes over its lifespan, but ...
and offered better performance on the 5.9-liter Cummins, is known to create more pressure, which can lead to problems on the 2004 and up Dodge Ram. If you're unfamiliar, blowby on a diesel engine ...
While its power is notable, the 6.7L Cummins isn't without problems. The two emission systems, an Exhaust Gas Recirculation ...