[Biturbos4] boost problems w/ apr chip

Shaun Blair shaun_blair at hotmail.com
Wed Feb 20 15:33:29 PST 2008


what is a smoke test and is it better than the awe leak test

shaun

> Date: Tue, 19 Feb 2008 21:38:01 -0500
> From: northrup at crazybug.com
> To: shaun_blair at hotmail.com
> CC: biturbos4 at www.audifans.com
> Subject: Re: [Biturbos4] boost problems w/ apr chip
> 
> while it's not likely, you could check with another gauge or vag-com.
> 
> If you continue to be limited to 12psi, it may be a leak.   If you 
> continue to  push the limits of your boost and only make 12 psi, and have 
> a leak, you may be in for an expensive repair.
> 
> perhaps it's time to do a smoke test.
> 
> On Tue, 19 Feb 2008, Shaun Blair wrote:
> 
> >
> >
> > i replaced the maf and it runs a little better but it acuall it ran
> > fine before, just a little rich.  my boost gauge is still reading
> > around 12 psi.  i need to keep trying to figure out why im not hitting
> > 18 psi
> > thanks,  shaun
> >
> >
> >> CC: speedracer.mark at gmail.com; quickaudi at gmail.com; biturbos4 at www.audifans.com
> >> From: glenahan at vfemail.net
> >> Subject: Re: [Biturbos4] boost problems w/ apr chip
> >> Date: Sun, 17 Feb 2008 10:00:09 -0500
> >> To: shaun_blair at hotmail.com
> >>
> >> 1. Clean the MAF before you spend big bucks. $3 of gummout can go a
> >> long way
> >> 2. Put a pressure guage on the system. I'm not sure where a
> >> convenient poitn is to tap in, but I bet alldata does
> >>
> >> G
> >>
> >> On Feb 17, 2008, at 9:52 AM, Shaun Blair wrote:
> >>
> >>>
> >>>
> >>> i did just find out i have a bad maf. im going to replace it monday
> >>> and see if it changes my boost readings.  also how do i know if the
> >>> 12 psi reading is accurate maybe im actually hitting higher and the
> >>> boost gauge just isnt accurate.
> >>>
> >>> thank again,  shaun
> >>> Date: Sat, 16 Feb 2008 23:51:04 -0500
> >>> From: speedracer.mark at gmail.com
> >>> To: shaun_blair at hotmail.com
> >>> Subject: Re: [Biturbos4] Annoying Issues with 2001 S4 6-spd
> >>> CC: quickaudi at gmail.com; biturbos4 at www.audifans.com
> >>>
> >>> You have to break down the problem to mechanical or electrical.  Is
> >>> the computer holding the boost back, and if so... why?
> >>>
> >>> Is there a physical issue (boost leak, failing turbo, bad sensor,
> >>> etc.)?
> >>>
> >>> Check for faults.  Make or buy (AWE sells them) a kit to pressurize
> >>> the system and check for leaks.  A smoke machine helps here, too.
> >>>
> >>> It sounds as if your car is fairly modified.  Increasing the boost
> >>> pressures increases the likelyhood of a failure (leaks, etc.), so
> >>> an experienced methodical approach is necessary.  Don't take
> >>> anything for granted!
> >>>
> >>>
> >>> This isn't something you can diagnose over the internet... we can
> >>> only give you procedural suggestions.
> >>>
> >>> Good luck,
> >>> Mark Rosenkrantz
> >>>
> >>>
> >>> On Feb 16, 2008 10:07 PM, Shaun Blair <shaun_blair at hotmail.com> wrote:
> >>>
> >>>
> >>> audi gearheads, can you help me, im having
> >>> boost problems and i dont know if i have a leak or if my boost
> >>> gauge isnt reading propery. i have a
> >>>
> >>> boost gauge reading ablout 12 psi at most how do i fix this, do i have
> >>> a mechanic check the TB boost and if so how does he do that. im very
> >>> lost please help  you can emailme if u want shaun_blair at hotmail.com
> >>>
> >>>
> >>>
> >>> _________________________________________________________________
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> >>
> >
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