Idk what's up with my 7.3

alexx567 · Sep 21, 2015

https://vimeo.com/139928518

Sometimes when I'm randomly driving this happens and I lose power and it doesn't go away. Idk what do about it. If anyone knows what is happening help!

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Jomax · Sep 21, 2015

Can't watch the video. But have you scanned for codes? That's the first thing you should do.

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Justin@DP-Tuner · Sep 21, 2015

I am not seeing anything out of the norm. What are you referring to?

79jasper · Sep 21, 2015

Yeah, I didn't see it either.
But maybe check your uvch, notorious for coming loose.

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golfer · Sep 21, 2015

Justin@DP-Tuner said:
I am not seeing anything out of the norm. What are you referring to?

yeah...that video looks/sounds fine...

alexx567 · Sep 21, 2015

It has like a little hissing that air is escaping from somewhere. Don't know where tho. I lose power and the hissing gets stronger.

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alexx567 · Sep 21, 2015

https://vimeo.com/140012710

When it shifts between 1500 and 2000rpm I lose power right after

Dmstrucks02 · Sep 21, 2015

Still hard to tell what if anything is going on...
Have you popped the hood and looked around??

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Vader's Fury · Sep 21, 2015

Hissing usually is caused by the ebpv closing. I would check and see if that is being triggered, or unhook it and see if you still get the same symptoms.

alexx567 · Sep 21, 2015

Everything looks fine after looking through The entire motor.

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dmd · Sep 21, 2015

Is the hissing sound out of the exhaust also?

alexx567 · Sep 21, 2015

dmd said:
Is the hissing sound out of the exhaust also?

No clue. Haven't paid attention to it

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Vader's Fury · Sep 21, 2015

Unhook the ebpv and drive the truck. Try to cause the issue if you can and see if you can.

Justin@DP-Tuner · Sep 22, 2015

Sounds like air coming back through the intake. Very normal during a shift. You usually only hear this with aftermarket intakes though.

You will always lose power after the shift due to RPM and boost drop. This is especially noticeable and true for stock tunes.