i just replaced the spark plugs and wires, pain in the ass on this truck........i was thinking clogged cat myself ill try tomorrow, i cleaned the maf and it idled a little better, there isnt any air leaks i sprayed choke cleaner everywhere and nothing.....

 

THe dis module controles the coil packs. They are really expensive but it really does sound like a converter problem why didnt i think of that. lol and yes plugs and wires suck ass on those trucks