Pulls left when decelerating

#1
My 2003 drives great until you are above 45 mph and decelerating. No braking involved. Just when you get out of the gas to start slowing down. There is also no issue when braking. Only when decelerating. It is a slight pulsing pull to the left on the steering wheel. It is only a couple pulls or pulses each time you slow down. It is more noticeable when at highway speeds. This has me wondering if it is steering pump or right hub/axle issue. I heard that right hub or axle issues can show these signs. Anyone have an idea?
 
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