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Old 08-07-2012, 03:49 PM
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FenderBender FenderBender is offline
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Location: Hicktown, PA
 
Join Date: Apr 2008
Posts: 11,233
Mein Auto: Red Sled
Quote:
Originally Posted by BMWFatherFigure View Post
If the vacuum tube was from the fuel rail: You will have had an air leak so unmetered air drawn in - tending to run weak. The normal fuel rail pressure should not be affected one way or the other at idle. When there is a decrease in vacuum (on acceleration) this will cause the fuel rail pressure to raise and then give a richer mixture - until the higher vacauum is restored.
From the fuel pressure regulator to the intake manifold is the one I replaced. Thanks for the info!

Quote:
Originally Posted by BmwMan92 View Post
That I believe is a tank return vacuum line and it depends on what you want to spend lol I still need parts for the eta motor going in the whole running engine is coming out

Sent you a PM, need it asap!
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