[Biturbos4] Oil in boost tubes and intermittent misfires

mike michael at isuzu-mods.com
Mon Feb 2 10:23:46 EST 2004


if you have oil in the boost tubes, then its usually getting there 
through the breather tubes.  which could mean something as simple as a 
bad PCV valve (boost pressure is going into the crankcase and pushing 
out the breather) or you have a lot of blow-by which means new rings 
neeeded.

Mike

Single Malt wrote:

>First of all thank you for the feedback on the "switched from dino to synth -
>lifter prob?" question I posed a few weeks ago.  Based on those responses I
>feel quite comfortable staying with the synthetic and gaining the benefits over
>dino.
>
>There were two items on my "hit list" to have addressed before my factory
>warranty expires on my 2001.5 S4 with 49600 miles ...
>
>1) Is oil in the boost tubes a bad sign?  What does this condition indicate?
>
>2) I was told that my intermittent misfire codes were common and can be ignored
>unless the condition persists.  Is this true?  I thought I would perform a few
>high boost runs before taking it in in hopes of recreating the problem again
>(they cleared the codes the first time).
>
>Thanks in advance for allowing me to tap into the "collective wisdom" this list
>provides!
>
>
>=====
>##########################################################
>Single Malt
>'01.5 S4
>Garaged at 9200ft
>just outside Denver, CO
>
>__________________________________
>Do you Yahoo!?
>Yahoo! SiteBuilder - Free web site building tool. Try it!
>http://webhosting.yahoo.com/ps/sb/
>_______________________________________________
>Biturbos4 mailing list
>Biturbos4 at www.audifans.com
>http://www.audifans.com/mailman/listinfo/biturbos4
>
>  
>



More information about the Biturbos4 mailing list