Dodge Repair Questions? Ask a Mechanic for Answers ASAP
Your 06 diesel does not use any solenoids or relays for the fuel injectors.
Most likely you have one or more bad injectors. What you will need to do is have the fuel system tested to find out which one(s) are bad.
Your Cummins or Dodge dealer will have the special fittings required to test the fuel system.
they sold me a relay for the fuel injector pump at the auto parts store