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2G low oil pressure and car smokes alot

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Sounds like the oil seal on your turbo is going out. What youre describing (minus the not boosting) is what would happen on my car when the seal was bad. It wouldnt smoke at all if i wasnt under any boost, get into it at any point and it'd be a smokescreen.

The only things that dont add up is the lack of oil in the IC piping. Seems a bit strange to me. The only thing i can think of that might help narrow it down is to do a boost leak test to see if you can hear any hissing coming from the turbo area. It's a long shot, but worth doing. The only thing I could say everything you've said points to is a turbo issue. Either being out of balance, bent shaft, bad bearing, etc. I'd look the turbo over carefully.

As for the boosting issue, my guess is that your wastegate arm isnt shutting all the way. I'd check to make sure it isnt tweaked and holding the flapper open more than you want, or just no good to begin with. You can test that with an air compressor pretty easy.
 
Jesus christ, first off, get a reliable real oil pressure gauge. Not some POS one either. No Glowshit, Proscrap or any of those. They all come from the same craptastic factory. Autometer and above. Second, do not write off your idiot light either. If you have to bump the idle to make it go away, that's a sign you might not be getting enough oil pressure at idle which from factory should be within 10-13psi, which touches back on my 1st point: GET A PRESSURE GAUGE. Third, your symptons are similar to mine when my stock turbo blew. Heavy blue smoke is oil being burned. Since your oil pressure sounds way below standard, you might have a serious leak somewhere. Probably your turbine seals. Stop driving and start eliminating possibilites. First thing I'd do is pull the turbo and check the turbine. You'll notice right away if it's the turbine. From there work backwards. Next would be pull the manifold. Check the valves and the seals. Since you're still breaking in the engine, I'd hold off on doing a compression check. Any chance of that being accurate is out the question anyway.
 
I agree with the above. I'd also recommend not driving or running the car too much, lest this happens to you:
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This is what happened to my car after I let it idle too long with bad turbo seals. It filled the downpipe with oil, which smoldered over several hours, and I came outside 4 hours later to a raging engine fire. I would never have believed that it could happen until it happened to me.

Another thing to check is if you eliminate the turbo as a cause, and still hear a whining noise, check your oil pump. My last engine was lost because the stub shaft fell off of the back of the gear and knocked around in the bottom end of the engine, causing all the oil to spill out of that vacated hole and the gear to wobble around in the pump and chew it up.
 
How are your plugs? Is there oil on them? All of them? Just one?

Spark plugs are dry. Tip is white.

Update:

-Bought a brand new turbo. The talon is boosting better, now. BUT, still the same issue with clouds of smoke coming out after boosting or heavier throttle.

- Head studs was trouqe down to 90ft lbs with arp lube with an oem head gasket.

-Never went pass 6000rpm and 10psi of boost and so far I only drove the car for about 150miles

-And yes I just adjusted the car idle a little higher(900rpm) and the oil pressure light didn't come on anymore and will try to get a oil pressure gauage.
 
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I'm stuck. Been chasing this problem for years. Why is my car still smoking gray/white smoke off the exhaust? Seems to be a consistent smoke, but it gets more thick after driving around.

I'm starting with the basic again.

1998 talon awd tsi with a 6bolt swap.

-Machine shop pressured tested the engine head.
-Machine shop rebuilt the short block. No crack and brand new rings and pistons.
-Oem headgasket with brand new ARP studs trouqe down at 90ftlbs with arp lude.
-Brand new ebay 16g turbo for mock up purpose. Oem oil hard return line. Oil fed from the ofh.
-Both balance shaft eliminated with the oem stubby shaft.
-Brand new oem oil pump and straight cut gears. Then torqued the stubby to spec and front case.

-Compression test came out decent. The lowest was 160psi and highest was 180 psi.

-No oil in coolant. No over heating. No coolant in oil, I think. Oil level dropping slowly, nothing really unusual. Coolant level dropping slowly, not really noticeable. Little to no boost leak. Pcv hook up like stock. No oil in intercooler piping.

-Took the exhaust manifold off while swapping turbo and took a peek in the engine head from the exhaust mainfold side and it seems good. The valves was a little white, but overall it seems dry inside and no oil residue or build up.

Open to all suggestions.

Is there anything I should redo or test? Or what test could be done to find narrow my problem? Or what are some symptoms if ....... was bad?
 
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I'm still trying to see when it smokes. I know it smoke a little at idle and then smokes more after I drive then at idle. My first video of trying to capture when the car smoke while driving was a fail, haha.
 
Compression test result and the lowest reading I got is: 165 175 150 160. I tested each cylinder twice.

I might try a new engine head. Is it worth it? My engine head now, has already been pressure tested twice at the same machine shop and passed the test with no leaks. Im think it's a seal somewhere in the head.
 
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Ok it might be the valve guides and seals if the machine shop didn't put in new ones. Stock are cast iron and needs to be run at a looser valve stem to guide clearances. That will allow oil to flow down the stem and either get sucked in to the intake or burned up after in the exhaust. Pull your exhaust manifold off and look in the runners and at the exhaust valves. You'll see if there are all gunked up with oil. Can also be from intake but, it's usually the exhaust side. I'm about to fix the same issue on mine, I'm getting super tech bronze guides and viton seals.
 
Really late update. After about 3000 miles with the fresh motor the Talon slowly stop smoking. I thinking the car still smokes because of left over gunk in the exhaust system, condensation on start up, and probably just needed to "break in" the motor more. Now it seems fine. Thanks for all help.
 
Update: car smoke more after getting of the high way. Regular driving is okay. Its more at higher speed or boosting.

Update: Talon is still having the issue above after about 2000miles or so.

I took head apart again and found oil in intake manifold runners and the intake side of the head. I do believe it's a pcv issue or excessive blow-by. I will be installing a catch can & a newer rebuild head on soon and hopefully that will fix the issue.

Let me if you guys have any suggestion on why oil will be in the intake manifold runners and intake side of the cylinder head. Had oil on all four runners of both the intake manifold and cylinder head.
 

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Catch Can!

The stock PVC and valve cover port are good for the stock turbo. higher boost levels = high cylinder pressure = high crank case pressure. That pressure needs a place to go. Easiest place to go is the oil return line. Oil backs up and spills out of the turbo on the exhaust side. This eventually will cause the turbo to fail.

Solution:
two -10an fitting from valve cover going to catch can, top port of catch can goes to vacuum source on the turbo intake pipe. If you run a PVC valve use a check valve in line. The stock valve leaks past 17psi.
 
Thanks for the info @TalonSpeed.

Update:
Car still smokes blue after a while(15min and up) of driving after install the custom -10an fitting/breather valve cover and catch can. Also, installed a new cylinder with new headgakest. The blue smoke is must noticeable when I get off the high way and at a stop( probably while driving on the high way also. As I just can't see the smoke until i come to a stop). No blue smoke on start up.

Currently running two -10an fittings on the valve cover and one -12an to the turbo intake Pipe. Two -10an are on the side of the catch can going to vc and the -12an is on the top going to turbo intake pipe. Using Calan catch can.


Intercooler pipe was clean. Had a little poodle of oil residue in the turbo intake pipe. Turbo has little side to side shaft play. Oil drain line is new with little no kinks. The the headgakest I took off was good and throw a new head gasket on. Pistons looked good, the normal burnet look, hahaha.

Going to do a compression test again this weekend. My previous leak down test did show signs of bad rings because I herd some hissing/air come from the oil dip stick and oil cap location.

Right now I'm leaning towards the piston rings again.


I'm open for ideas and suggestions.
 
Compression results(motor is was warm up to opt. tempt.)

Cylinder #1 - 170
Cylinder #2 - 155
Cylinder #3 - 180
Cylinder #4 - 175

Wet tested cylinder #2 and the compression went up to 180.

Cylinder #2 is significantly lower. Will this result rule the piston ring in cylinder #2 is what causing the issue ?!?!

I just empty the catch can after about 100miles and all that was in the catch can was drips of water.
 
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UPDATE: Problem fixed

I do believe the issue was the piston rings and now the Talon is all good and not smoking much anymore. Must have not seated the rings good during break in period or bad installation by the machine shop.

-Brand new FP turbo again
-Catch can setup -10an installed
-New piston rings installed.
 
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