diff --git a/code/modules/integrated_electronics/_defines.dm b/code/modules/integrated_electronics/_defines.dm
index 017e7a1bf1..b6ce8472b7 100644
--- a/code/modules/integrated_electronics/_defines.dm
+++ b/code/modules/integrated_electronics/_defines.dm
@@ -42,10 +42,10 @@
 	..()
 
 /obj/item/integrated_circuit/proc/setup_io(var/list/io_list, var/io_type)
-	var/list/names = io_list.Copy()
+	var/list/io_list_copy = io_list.Copy()
 	io_list.Cut()
-	for(var/name in names)
-		io_list.Add(new io_type(src, name))
+	for(var/io_entry in io_list_copy)
+		io_list.Add(new io_type(src, io_entry, io_list_copy[io_entry]))
 
 /obj/item/integrated_circuit/proc/on_data_written() //Override this for special behaviour when new data gets pushed to the circuit.
 	return
@@ -238,13 +238,14 @@
 /datum/integrated_io
 	var/name = "input/output"
 	var/obj/item/integrated_circuit/holder = null
-	var/data = null
+	var/weakref/data = null // This is a weakref, to reduce typecasts.  Note that oftentimes numbers and text may also occupy this.
 	var/list/linked = list()
 	var/io_type = DATA_CHANNEL
 
-/datum/integrated_io/New(var/newloc, var/name)
+/datum/integrated_io/New(var/newloc, var/name, var/data)
 	..()
 	src.name = name
+	src.data = data
 	holder = newloc
 	if(!istype(holder))
 		message_admins("ERROR: An integrated_io ([src.name]) spawned without a valid holder!  This is a bug.")
diff --git a/code/modules/integrated_electronics/input_output.dm b/code/modules/integrated_electronics/input_output.dm
index 5196617a83..6568662dc9 100644
--- a/code/modules/integrated_electronics/input_output.dm
+++ b/code/modules/integrated_electronics/input_output.dm
@@ -168,8 +168,9 @@
 
 	if(!isweakref(I.data))
 		return
-	var/weakref/w = I.data
-	var/atom/A = w.resolve()
+	var/atom/A = I.data.resolve()
+	if(!A)
+		return
 	var/desired_type = A.type
 
 	var/list/nearby_things = range(1, get_turf(src))
@@ -216,7 +217,7 @@
 /obj/item/integrated_circuit/input/signaler/on_data_written()
 	var/datum/integrated_io/new_freq = inputs[1]
 	var/datum/integrated_io/new_code = inputs[2]
-	if(isnum(new_freq.data))
+	if(isnum(new_freq.data) && new_freq.data > 0)
 		set_frequency(new_freq.data)
 	if(isnum(new_code.data))
 		code = new_code.data
diff --git a/code/modules/integrated_electronics/manipulation.dm b/code/modules/integrated_electronics/manipulation.dm
index 1fac6ba19c..bad3944e8e 100644
--- a/code/modules/integrated_electronics/manipulation.dm
+++ b/code/modules/integrated_electronics/manipulation.dm
@@ -120,53 +120,42 @@
 	flags = OPENCONTAINER
 	complexity = 20
 	cooldown_per_use = 6 SECONDS
-	inputs = list("target ref", "injection amount")
+	inputs = list("target ref", "injection amount" = 5)
 	outputs = list()
 	activators = list("inject")
-	var/inject_amount = 5
 
 /obj/item/integrated_circuit/manipulation/injector/New()
 	..()
 	create_reagents(30)
-	var/datum/integrated_io/amount = inputs[2]
-	amount.data = inject_amount
 
-/obj/item/integrated_circuit/manipulation/injector/on_data_written()
+/obj/item/integrated_circuit/manipulation/injector/proc/inject_amount()
 	var/datum/integrated_io/amount = inputs[2]
 	if(isnum(amount.data))
-		amount.data = Clamp(amount.data, 0, 30)
-		inject_amount = amount.data
+		return Clamp(amount.data, 0, 30)
 
 /obj/item/integrated_circuit/manipulation/injector/do_work()
+	set waitfor = 0 // Don't sleep in a proc that is called by a processor without this set, otherwise it'll delay the entire thing
+
 	var/datum/integrated_io/target = inputs[1]
 	var/atom/movable/AM = target.data_as_type(/atom/movable)
 	if(!istype(AM)) //Invalid input
 		return
 	if(!reagents.total_volume) // Empty
 		return
-	if(AM.Adjacent(get_turf(src)))
-		if(!AM.reagents)
-			return
-		if(!AM.is_open_container() && !ismob(AM) )
-			return
-		if(!AM.reagents.get_free_space())
-			return
-
+	if(AM.can_be_injected_by(src))
 		if(isliving(AM))
-			var/mob/living/L = AM
-			if(!L.can_inject(null, 0, BP_TORSO))
-				return
-			loc.visible_message("<span class='warning'>[src] is trying to inject [AM]!</span>")
+			var/turf/T = get_turf(AM)
+			T.visible_message("<span class='warning'>[src] is trying to inject [AM]!</span>")
 			sleep(3 SECONDS)
-			if(!AM.Adjacent(get_turf(src)))
+			if(!AM.can_be_injected_by(src))
 				return
 			var/contained = reagents.get_reagents()
-			var/trans = reagents.trans_to_mob(target, inject_amount, CHEM_BLOOD)
-			message_admins("[src] injected \the [AM] with [trans]u of [english_list(contained)].")
+			var/trans = reagents.trans_to_mob(target, inject_amount(), CHEM_BLOOD)
+			message_admins("[src] injected \the [AM] with [trans]u of [contained].")
 			to_chat(AM, "<span class='notice'>You feel a tiny prick!</span>")
 			visible_message("<span class='warning'>[src] injects [AM]!</span>")
 		else
-			reagents.trans_to(AM, inject_amount)
+			reagents.trans_to(AM, inject_amount())
 
 /obj/item/integrated_circuit/manipulation/reagent_pump
 	name = "reagent pump"
@@ -177,16 +166,11 @@
 	outside the machine if it is next to the machine.  Note that this cannot be used on entities."
 	flags = OPENCONTAINER
 	complexity = 8
-	inputs = list("source ref", "target ref", "injection amount")
+	inputs = list("source ref", "target ref", "injection amount" = 10)
 	outputs = list()
 	activators = list("transfer reagents")
 	var/transfer_amount = 10
 
-/obj/item/integrated_circuit/manipulation/reagent_pump/New()
-	..()
-	var/datum/integrated_io/amount = inputs[3]
-	amount.data = transfer_amount
-
 /obj/item/integrated_circuit/manipulation/reagent_pump/on_data_written()
 	var/datum/integrated_io/amount = inputs[3]
 	if(isnum(amount.data))
@@ -269,11 +253,11 @@
 /obj/item/integrated_circuit/manipulation/locomotion/do_work()
 	..()
 	var/turf/T = get_turf(src)
-	if(istype(loc, /obj/item/device/electronic_assembly))
+	if(T && istype(loc, /obj/item/device/electronic_assembly))
 		var/obj/item/device/electronic_assembly/machine = loc
 		if(machine.anchored || machine.w_class >= ITEMSIZE_LARGE)
 			return
-		if(machine.loc && machine.loc == T) // Check if we're held by someone.  If the loc is the floor, we're not held.
+		if(machine.loc == T) // Check if we're held by someone.  If the loc is the floor, we're not held.
 			var/datum/integrated_io/wanted_dir = inputs[1]
 			if(isnum(wanted_dir.data))
 				step(machine, wanted_dir.data)
\ No newline at end of file
diff --git a/code/modules/reagents/Chemistry-Reagents-Helpers.dm b/code/modules/reagents/Chemistry-Reagents-Helpers.dm
new file mode 100644
index 0000000000..a072e4402b
--- /dev/null
+++ b/code/modules/reagents/Chemistry-Reagents-Helpers.dm
@@ -0,0 +1,14 @@
+/atom/movable/proc/can_be_injected_by(var/atom/injector)
+	if(!Adjacent(get_turf(injector)))
+		return FALSE
+	if(!reagents)
+		return FALSE
+	if(!reagents.get_free_space())
+		return FALSE
+	return TRUE
+
+/obj/can_be_injected_by(var/atom/injector)
+	return is_open_container() && ..()
+
+/mob/living/can_be_injected_by(var/atom/injector)
+	return ..() && (can_inject(null, 0, BP_TORSO) || can_inject(null, 0, BP_GROIN))
\ No newline at end of file
diff --git a/polaris.dme b/polaris.dme
index 16fd036728..0642f66bf0 100644
--- a/polaris.dme
+++ b/polaris.dme
@@ -1844,6 +1844,7 @@
 #include "code\modules\reagents\Chemistry-Machinery.dm"
 #include "code\modules\reagents\Chemistry-Metabolism.dm"
 #include "code\modules\reagents\Chemistry-Readme.dm"
+#include "code\modules\reagents\Chemistry-Reagents-Helpers.dm"
 #include "code\modules\reagents\Chemistry-Reagents.dm"
 #include "code\modules\reagents\Chemistry-Recipes.dm"
 #include "code\modules\reagents\reagent_containers.dm"