turbo blown?

[Bay_Area_sr20det]

i have a stock t25 on a redtop sr. when it idles tons of black smoke pores out of exhaust runs like butt, and flutters when i hit 2700 rpm...

[punxva]

yea take off the piping and check to see if there is any oil just collecting, if so you've got blown seals

[Bay_Area_sr20det]

nope no oil, also i pulled by bov off and the turbo spools fine. so its not the turbo. its just rinning like ass. its firing on all pistons. just not very well.

could it be spark plugs?

[derk]

what bov is it?

stock or after market?

recirc or atmospheric?

because if its an aftermarket bov that you are venting to atmosphere, it will cause your car to run rich when you let off the throttle, which causes that black smoke you are talking about, and it also sounds like its leaking if its burning black smoke at idle.

try recirculating the bov, or putting on the stock one to see if it helps

[Bay_Area_sr20det]

i put the stock one back on, recircing also. changed the spark plugs. and checked the ecu codes.
i says knock sensor and cas.
so im gona check the timing tomarrow.

[kuramaya]

You are running rich. Black smoke is not a blown turbo. It is Fuel.
You probably have a gromet (coupler) loose or dry rotted in your plumbing.

[Bay_Area_sr20det]

i checked all the piping, but i will look at it and make sure its on properly.

the motor revs all the way but sounds horable.

[Wykydtron]

It sounds like you have a HUGE vacuum leak. I would assume there's a huge hole somewhere in your charge piping, maybe a silicon coupler came loose in a hard to see place. My buddies poored black smoke out because of this same reason.

I hope that you solve this issue, best of luck!

[Wykydtron]

appologies, browser timed out, double post please delete (sorry mods )

[kuramaya]

yeah A tech, thats pretty much exactly what I said

[steve shadows]

the first thing you should have learned when working on cars ever!

is that oil burns WHITE/BLUE

not BLACK

bejebus

this sounds like boost leak + horrible timing.

what is the condition of the MAF?

Do you have a satanic AFC and are the in and out values correct?:hammer:

[nissanguy13]

ya definetly sounds like a fuel problem. Youre getting more fuel than air. like others have said, check your i/c piping and couplers. The best way to do that is to take each pipe out of the coupler, reseat it and tighten the clamp down. When you have the pipes apart check for holes, cracks or rips on everything. Also a lot of blow off valves have a little nut on top that you can adjust, you might want to make sure its not open too far and leaking from there. If you have a boost controller or gauge, do you have it tied into to the line going to the fpr? If none of those work you might want to check your mafs, like said above. When you fix the problem you might want to do an oil change. I had that problem and my oil reaked of gas, due to dumping a shit load of gas into it.

If you do your timing, you might want to adjust the tps along with the cas. Depending if your car is revving really high

[Bay_Area_sr20det]

i redid my piping. it looks all good.and my fpr is after market. and it reads normal psi. im think its the timing but i wont be able to get a timing gun till later tonight. and i know what the colors mean coming from the exhaust. but i didnt know if my turbo was blown or not. the maf looks in good condition. but i dont think its that because i can rev all the way to redline.

so im gona check the timing and i will post the results.

[Bay_Area_sr20det]

ok you guys are right. the cupler on the cold side of the intercooler poped off. anyone know whare to find inexpensive 3"to 2 1/2" cuplers?


thanks everyone for the help!!!!

[masterteque]

go to http://www.extremepsi.com This is where I got all of my couplers. Or you can order direct from High temp silicone.......

[masterteque]

go to http://www.extremepsi.com This is where I got all of my couplers. Or you can order direct from High temp silicone......