How long to get air out of High Pressure Oil System??

[pas6201]

I just updated the STC fitting, dummy plugs, and standpipes on my 05 Powerstroke. It was having hot start issues. The dealership told me I needed a new HPOP, but everyone on the forum said STC, Dummies, and standpipe would do it. So after replacing them it took a lot of cranking to get it started. I knew that it would. I have let it idle for about 30 minutes and driven it for 30 minutes. It still takes a descent amount of cranks to get it started. Is that normal? It runs perfect after it starts. Just didnt know if something else was wrong or it just takes a while to get the air out of the system. Is there anything I can do to expedite the process?

[legionxxii]

When my hpop was installed had to take it out for a couple drives to get the air out.

[Lilpooh]

Did you check your IPR sensor for screen damage or blockage.

[a2elvis]

Yep check IPR valve screen for damage or contamination. Put no less than 100 miles on it then recheck. It can take a long time to work all the air out of the HPOP system.

[pas6201]

I replaced the IPR when I was in there.

[Lilpooh]

There could be a chance that debris and dirt was in the system and either blocked up the new IPR screen or damaged the screen.

[dazdillenger]

Go take it out and romp on it for a bit. It will purge the air faster the higher the ICP is.

[pas6201]

I am always looking for a good excuse to stomp the powerstroke!