i recently posted about my codes that came up i was wondering does any body have a vacuum diagham for the 4.2 supercharged.

 

You did? Odd.

What are the fuel trims at idle and 2500rpm? (in P will do)
(Make sure it's running CL - closed loop.)

Usual problem with an STR is not an air leak unless the air filter (or box) is badly fitted. Or an aftermarket one...

 

Some time back a fellow member had posted the his purge control canister had a small crack where the canister is "seemed" together on his STR.

I cannot remember who and a search came up empty.

I am posting a picture of the 3.0 canister, but IIRC the STR has one in the same place. In the picture look at the red vacuum line in the right hand side: