problems i have are i believe it idles high?? about 1500 rpms (not sure if thats right or not as im new to trucks) when im at a steady speed in any gear under 2k rpms it shutters and feels like a loss of power. i dont know how to fix those problems so if anyone knows please let me know thanks : )

 

oh yes i should say its a 1987 with a v6 5 speed