OKay Im back with some new questions!

[jsoundguy]

I have got my alternator problem fixed truck is doing much better! By the way so new ones know the truck is a 94 f-250 powerstroke 5 speed! okay i am having some other problems now and i finally read some codes please help here they are!

First go around:
PO472 back pressure low input
PO603 PCM processor keep alive memory error
PO344 cam position sensor intermittent error

After Clearing
Second go around:
PO344 cam position sensor intermittent error
PO472 back pressure low input

I think i should probably do a cam position sensor but the othewrs i need help with please!!!!

[Soaggydogg]

I have had a cam code after I have replaced it. I give up and left it be. KAM, I believe is caused by having a chip.