[s-cars] [Fwd: Re: Stock boost level]

[Jerry Scott]

The O2 sensor that everyone on the list seems to use is the 13913 Bosh.  
This is a 3 wire that will require hardwiring to the cable or putting in 
your own disconnects.
Jerry

Mark Rivera wrote:

>I may have mentioned this before, but not only am I only showing 15psi, the
>boost is dropping at higher rpms to a max of about 10psi.  Now, if my gauge
>is in fact off a couple pounds, is it still normal for the boost to drop off
>at around 5500rpm through redline?
>
>I'm also getting terrible mileage.  Mostly in town driving, short trips, but
>I think 14.5 MPG for the last two tankfuls is a bit extreme.  I'm going to
>replace the O2 sensor as a matter of course, whatever the problem misght be.
>Do you all pony up and buy the dealer part, or does a 3 wire universal
>sensor exist?  I've used universal replacements on 4 wire apps, but I can't
>seem to find a 3 wire anywhere...
>
>Thanks,
>Mark
>
>-----Original Message-----
>From: Robert Rossato [mailto:bob.rossato_af at cox.net]
>Sent: Monday, April 16, 2007 22:12
>To: 'Mark Rivera'; 'S-Car-List'
>Subject: RE: [s-cars] Stock boost level
>
>
>Stock boost levels are around 17 psi, at least that's what I used to get
>and what seems to be the general consensus.  But before you go spending
>a lot of time chasing a small boost leak (or issue with waste gate, BPV,
>or WGFV), the first order of business is to verify the instrumentation.
>It's always possible that the gauge is off by a psi or two.  Swap it
>with another gauge, or if you know someone that can test it.
>
>bob
>
>  
>
>>-----Original Message-----
>>From: s-car-list-bounces at audifans.com
>>[mailto:s-car-list-bounces at audifans.com] On Behalf Of Mark Rivera
>>Sent: Monday, April 16, 2007 2:23 PM
>>To: S-Car-List
>>Subject: [s-cars] Stock boost level
>>
>>
>>Sorry, this has probably been hashed over many times, but I
>>think it was
>>Calvin over the weekend who said he thought my 15psi max
>>boost was low on my
>>unmodified '93 S4.  From the searching I'd done in the past,
>>I thought about
>>15psi was about right.  Do I need to start looking for boost leaks???
>>
>>Thanks,
>>Mark
>>_______________________________________________
>>S-CAR-List mailing list
>>S-CAR-List at audifans.com
>>http://www.audifans.com/mailman/listinfo/s-car-list
>>
>>    
>>
>
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>  
>