hesitation

I have been experiencing a few issues with my car not keeping me from driving it but driving me nuts none the less. first off unless my timing is between 20-25 degrees I get a pretty distinct popping in the exhaust at idle. the car almost seems to misfire until its warm I think this may be an idle air control thing. lastly I have a hesitation just about any time im passing 4krpm. this car has a turbo swap on it using na harness repined for o2 and idle control. egr has been deleted. codes I got are 22,23 and 33 my fuel pump circuit reads short because I bypassed it due to an unknown shortage possibly in the ignition switch been running fuel pump like this for 3 years.