Code p2263 turbo/ boost performance?

[tbsimmons]

100 on the SCT is not that bad, only about 14 PSI of boost. 101 KPA (What the SCT reads) is only atmosphere, approx. 14.7 PSI. Which if I remember right should be around 101 with KOEO, atmosphere pressure. So if you were building any boost it would be higher. Each 14.7 PSI would raise it 101 KPA, so 14 PSI of boost you would be above 200 KPA.
With a new EBP, I would say MAP Sensor. The MAP and EBP talk. If one is not where correct in relationship with the other it will set a bunch of different codes, 2 of which you are seeing.
My truck was doing the same thing. If the wiring is good, the bellows are not blown, I would change the MAP.

 

[Jmoore1225]

Map didn't change anything.....

 

[Jmoore1225]

Reading negative boost at idle

 

[Jmoore1225]

Building no boost while driving , at most 4 to 5lbs.... The actuator arm is working when the key is turned to on as well. Come on guys i need some insight on whats going on w/ this piece.

 

[gman1]

Txlineman is having the exact same issue as you. He has yet to find anything wrong. We are all stumped on his issue. Ill see if I can find his thread.
Found it http://powerstrokearmy.com/forums/showthread.php?t=50748

 

[TY'S08FX4]

A little insight on what the truck was doing before the problem started happening might help guys give you a hand...was it running and driving fine then the code started coming up? Any recent work done to it or did you try changing tunes before this started happening?

 

[Jmoore1225]

Sunday was exactly 2 weeks from gettting the truck back from a new long block. Had ZERO issues in those 2 weeks. Running Gearhead Street, truck has all deletes CAI & a set of elite 71/59. Was just cruising on the highway around 65-70 when the code popped up.

 

[Jmoore1225]

I had everything prior to the longblock as well with none of these issues.

 

[Powerstroke Man 6.4]

Building no boost while driving , at most 4 to 5lbs.... The actuator arm is working when the key is turned to on as well. Come on guys i need some insight on whats going on w/ this piece.

I would try to reload the engine file and see if that helps sometimes they go bad for no reason.

 

[Jmoore1225]

Did that, did nothing.....

 

[Powerstroke Man 6.4]

Did that, did nothing.....

P2263 new EBP sensor and tube #'s are normal and it still hasn't gone away on my truck yet. My truck builds normal boost though.... but its laggy and super low on power LOL.

 

[Jmoore1225]

This is what mine was doing, then last night it decided to just not function at all.

 

[Jmoore1225]

Here's everything it's pulling now....

 

[TY'S08FX4]

Check the main harnesses on the passenger side of the firewall, when mine wasn't plugged in it set off a lot of codes like that, could be a bent pin or maybe just not seated down all the way

 

[Jmoore1225]

Checked it, seemed good... here is everything @ an idle, Map continually sets the alert light off

 

[forcefed6.4ford]

Are you getting anything through the IC on the cold side?

 

[Jmoore1225]

Yes, it's pushing air thru the intercooler.....

 

[B585Ford]

Have checked all the grounds? With that many codes if you are sure the wiring harness is attached completely without bend pins, I would be leaning towards an electrical issue and a bad ground likes to do some funky things.

 

[Jmoore1225]

I havent, dunno even where to begin with that hunt tho.....

 

[Jmoore1225]

I was checking every connector I could see in sight, nothing was loose i got ahold of, didnt really think to look for grounds.