While cleaning the throttle body(removed it and cleaned it on the bench) and replacing the PCV I noticed a build up of residue in the intake. Is there any way to safely clean the intake? With prevoius vehicles I usually used a spray cleaner injected into the TB, but is this method safe for a Hemi with MDS?

2006 Ram 1500 Hemi Quad Cab

 

I believe Chrysler put a TSB out advising AGAINST using a TB cleaner for this, I think it screws with the sensor, brake cleaner is recommended.

There is an excellent DIY in that section for this:
https://dodgeforum.com/m_1050644/tm.htm

 

pull the whole thing off, ten bolts and undo the wiring harness. remove all the sensors and spray away. other wise your spraying a liquid cleaner into a dry manifold that does NOT allow for equall washing err cleaning of the intake runners in each cylinder....

 

I clean the tb inside ring by spraying the solvent ontoa paper towel and whiping it off.