$10 smoke test DIY / how I fixed my 30FF

AndyW · 09-19-2016, 07:13 PM

OK, did this. Not sure what pressure I got to...wasn't much. Only place smoke came out was the oil cap with it open (via PCV, I presume)...I think this is normal...can anyone confirm? It happens in the video too and the comments indicate it is normal. Thx.

Note: I didn't block off the PCV because my issue happens with the intake at a vacuum so didn't desire to get much pressure. Boost looks good on logs up to 21#.

TrollToll · 09-19-2016, 08:07 PM

Quote:

Originally Posted by AndyW

OK, did this. Not sure what pressure I got to...wasn't much. Only place smoke came out was the oil cap with it open (via PCV, I presume)...I think this is normal...can anyone confirm? It happens in the video too and the comments indicate it is normal. Thx.

Note: I didn't block off the PCV because my issue happens with the intake at a vacuum so didn't desire to get much pressure. Boost looks good on logs up to 21#.

If you pumped in a good amount of smoke and it only came out the oil cap then that's good news.

Oh, and if you haven't started the car yet, expect some smoke on startup. Pressurising the crank case pushed oil past my turbo seals (I guess) and caused it to smoke for a minute.

AndyW · 09-19-2016, 08:15 PM

Quote:

Originally Posted by Yournamehere90

If you pumped in a good amount of smoke and it only came out the oil cap then that's good news.

Oh, and if you haven't started the car yet, expect some smoke on startup. Pressurising the crank case pushed oil past my turbo seals (I guess) and caused it to smoke for a minute.

Yay! Finally some good news. I pushed a whole swisher grape in there. Car didn't really smoke when I started it, so I'll count that as good news too!

TrollToll · 09-19-2016, 08:35 PM

Quote:

Originally Posted by AndyW

Yay! Finally some good news. I pushed a whole swisher grape in there. Car didn't really smoke when I started it, so I'll count that as good news too!

It may be good news. Are you trying to diagnose a 30FF code? If so, a boost least may have been an easier fix than the other causes.

AndyW · 09-19-2016, 08:40 PM

Quote:

Originally Posted by Yournamehere90

It may be good news. Are you trying to diagnose a 30FF code? If so, a boost least may have been an easier fix than the other causes.

No. No codes. Boost is fine. Just a throttle oscillation issue at 2-4% accel pedal position.

09-19-2016, 07:13 PM	#23
AndyW Supreme Galactic Commander (one galaxy over...) 704 Rep 1,787 Posts Drives: '08 E93, '12 E82, '13 E93 M3 Join Date: Feb 2012 Location: Washington, USA iTrader: (5)	OK, did this. Not sure what pressure I got to...wasn't much. Only place smoke came out was the oil cap with it open (via PCV, I presume)...I think this is normal...can anyone confirm? It happens in the video too and the comments indicate it is normal. Thx. Note: I didn't block off the PCV because my issue happens with the intake at a vacuum so didn't desire to get much pressure. Boost looks good on logs up to 21#. __________________ Best, Andy '12 E82-PS2,Stoptechs,Clubsports+M3 bits,Accusump,Wagner DP+EVO III FMIC,ERCP,BMS Intake,Mason Strut Bar,Wedge Tune Last edited by AndyW; 09-19-2016 at 07:16 PM.. Reason: extra info
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