MTX Dodge Ram Quad Cab 2002-2003 Thunderform, Loaded with Dual 10 Inch Subs and Amplified, Charcoal Car Speaker "hemi 2003 oil" Questions

where is the oil pressure sending unit on a dodge hemi motor? the truck is a 2003 See Image Below: next to the oil filter

...hemi ram 1500 knocks when i start it up! could this be my oil sending unit? it could be the oil pump getting weak. if the oil pressure is under 20 psi on the dash then it could be and be causing ...

...hemi during colder weather the oil pressure gauge reads o .If I shut it off and restart it reads normal pressure You don't say if you live in a colder climate and if this happens more in colder ...