High boost cut out?

[1995spoolinGST]

so about 2 weeks ago my alternator decided to go out on me while i was driving so it killed my battery so i installed the new alternator and was back on the road the car is daily driving on 28psi and it was driving fine after the new alternator was installed then about 20min later it started cutting out around 22psi, so i started running waste gate pressure and it was fine, i replaced my spark plugs gaped them at .28 and no change got my battery tested and it was fine and then tested my coil pack and both were around 13.5 ohms so now im stumped and dont know what else it could be maybe a CAS, does anyone have any ideas? thanks

 

[1gTSIeagle]

check your tps..

 

[TimF]

Maybe a Fuel cut out.

 

[1995spoolinGST]

ok ill check that and i would think cut out to but its never done this and ive ran it like this for 2 years now

 

[blkgst97]

Try closing the gaps on your spark plugs a bit. Try .026 and see if it gets any better.

 

[GSaleX]

Same exact thing happened to me. Turned out I accidentally ripped my wastegate line. Couldn't see it until I actually took out the line. Double check all lines, take em out to check cause its tough to tell

And being that it was only after I changed my alternator I was convinced it was something electrical. I'm willing to bet you have a mbc

 

[iBoostDSM]

Boost leak test. And my guess is that it's not fuel cut, you'd know if it's fuel cut. It's a very aggressive cut out, probably something unlike what you're experiencing.

Do a blt, it might reveal a few leaks.