Hi all,
so not to hammer the same situation over and over but I’ve searched and haven’t really found the answer to my question.

I have an Isuzu Rodeo 2001 V6 that recently popped up the engine light with the the dreaded P401 - Low Flow.
I have removed the EGR and cleaned it with throttle cleaner (The pin moves up and down freely, works well I guess).
I have cleaned/unclogged the tube in the manifold.
I have cleaned the throttle bottle.
I have taken out the tube that goes from the air filter to the throttle body and all looks good.
I have had the engine light shut off but after a few miles it comes back on with the same error, LOW FLOW.

My Isuzu seems to be much looser while driving, still seems kind of sluggish while engine is cold and below 2000 rpm.

I have no idea why the damn light is coming back on. Any ideas?