1.8t jetta loss of acceleration.

[kstrat25]

So just about a month ago I started to notice a decrease in acceleration in the Jet. (tiptonic)
Normal driving is ok, but if I get on it there is really nothing and even when the turbo kicks in, it's nothing like what it used to be. I cleaned the MAFS, and not sure where to start. I'm not getting any lights coming on, just poor performance. It's has a blah feeling to me. Any suggestions would be great.

[Hakkalugi]

new diverter valve may be the issue does it run ok? check your breather tube for oil leaks, check if theres oil behind where the MAF sensor is, in that tube. if there is oil there you need a new breather tube, check the tube from the pancake pipe to the turbo for oil.

[kstrat25]

new diverter valve may be the issue does it run ok? check your breather tube for oil leaks, check if theres oil behind where the MAF sensor is, in that tube. if there is oil there you need a new breather tube, check the tube from the pancake pipe to the turbo for oil.

Yeah it runs fine. Its just when i get on the gas its just blah theres no pep

[Kmurf94]

is your A/C on when this happens?

[lukexcameron]

clutch may be starting to slip

[vdubkid4life]

clutch may be starting to slip

Reading>you

OP check vac hoses for boost leaks

[bob570]

Sounds like a boost leak to me.

Edit: Or maybe limp mode? Sorry, I don't really know much about that, just throwing out possibilities.

[kstrat25]

So, since I'm car-tarded, where can I look for a boost leak

[JuniorDubber]

Try new coilpacks

[kstrat25]

So I ran some seafoam and it seemed to help 90% of the problem, there is still some lag or hesitation.
But all in all 10 bucks went a long way