The first RAM with a Cummins engine under the hood was launched in ... according to CarComplaints.com. One problem was the injectors not properly delivering fuel, which can manifest in symptoms ...

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 ...

Naturally, no engine is perfect, and while revered, the 5.9-liter Cummins does have some notable weaknesses, as described by owners. Examples of widely reported problems include the killer dowel ...