turbo blown?

[MKinSilEighty]

Okay so my sileighty has been acting funny for a lil while now. I dont know whats up. It would seem like it was boosting but nothing. I would take off the battery terminal to reset the ecu and sometimes it would seem like it solved the problem, but sometimes not. Im newb so im not sure really so I was thinking it could be the ecu but I dont know enough. But just recently it started really having issues like today. It would spool up but take forever to boost, and when it does it kicked in suddenly. Thats one characteristic of a blown turbo, but the thing is that it still wont do it ALL the time. Its a Garret GT35R. Also I checked out vids on the net and a blown turbo spits out white smoke, mines not white. I think its black but not sure since it was at night time when i checked it out. But one more thing is that it is idling really badly, like sometimes seems like its about to shut off altogether, so maybe just needs new plugs or wires. Itll spit out black smoke when it spools up. I checked out vids on the net and they blew out white smoke so idk if that has anything to do with it. Okay well ima keep doing my own research but if anyone has a good idea or theories let me know. Much appriciated.

[180sx_Drifter]

maybe your maf is bad? did you do any other changed to the car lately? What set up you have? You need to provide us with more info if you want some help.

[SoguRacing]

maybe your wastegate is stuck open. externally gated?

[240srhatch]

Start by checking the wastegate vaccumm line, there is also a possibility that the wastegate could be getting stuck open preventing you from boosting some times.

[kamikazekid]

could have a gasket leak between turbo and mani, vaccum leak, what kind of boost controller if one at all? SR? KA-T? whats the setup?

[fliprayzin240sx]

GT35R is fucking huge it could be just really laggy for the car. Whats done to the car?

[SoguRacing]

haha so true^

[MKinSilEighty]

ok, my bad forgot to mention the fact that it is a redtop sr. I seemed to think it was the maf since it is the stock sr20 one, I cleaned it a few weeks ago so Im not sure much more on that. I checked out the wastegate and it was opening and closing correctly. My af meter has also been acting crazy lately like taking a while to get corrected. I dont think its a blown turbo since it is not white smoke. I checked the plugs today and they were fine, oil also. What seems to be the weirdest thing is that its been acting funny like this lately, but not so bad thats why I thaught it was blown. But this morning I went back out to check on it and its doing the same thing, so I leave it and come back an hour later to ride somewhere... and its fine. I have a theory that its something to do with the ecu but im pretty newb so im not sure. I was told by a friend ot pull some codes. But okay anyone else no what this could be? Or atleast any more ideas on things to check? Much appriciated for the help.

[yokotavia]

black smoke, bad idle= BOOST LEAK.

[s14freak93901]

i agree with yokotavia.