Vp44 Question.

I have an 02 that I’ve been having trouble with. It’s been throwing map sensor and apps codes and I was just wondering if my pump might be on its way out. Every so often all of my throttle response will cut out for about 5 seconds but it seems to come back when I push the clutch in. I read that this may be a symptom, but it’s not having any other symptoms. It starts and idles good, not rough or anything so I just would like to know if anyone thinks I might need a new pump or just maybe a tpps. Thanks.