[s-cars] Nasty Misses when Pushing the "93 S4

[Bob DG]

So you think the nasty misses are a failing ignition coil? I am experiencing 
the exact same problem, intermittent fuel or spark cut-off.

>From: Robert Myers <robert at s-cars.org>
>To: "Bob DG" <bobs6 at msn.com>, richard.tanimura at gmail.com,        
>chris.holinger at gmail.com
>CC: s-car-list at audifans.com
>Subject: Re: [s-cars] Nasty Misses when Pushing the "93 S4
>Date: Wed, 09 Mar 2005 14:58:55 -0500
>
>
>The OEM Bosch 3 bar pressure transducer is NLA.
>
>A 2.5/3.0 bar VMAP (http://moreboost.com) is a suitable replacement.  
>BUT...  I don't think it will solve the problem with a failing ignition 
>coil.
>
>At 02:52 PM 3/9/2005, Bob DG wrote:
>
>>What about a replacement for the 3.0 bar sensor?
>>
>>>From: Richard Tanimura <richard.tanimura at gmail.com>
>>>Reply-To: Richard Tanimura <richard.tanimura at gmail.com>
>>>To: Chris Holinger <chris.holinger at gmail.com>
>>>CC: s-car-list at audifans.com
>>>Subject: Re: [s-cars] Nasty Misses when Pushing the "93 S4
>>>Date: Wed, 9 Mar 2005 08:17:13 +0100
>>>
>>>Chris,
>>>
>>>Those symptoms sound familiar. Lots of us have BTDT. Could be a bad
>>>MAP sensor. Could also be a leak in the boost tract. Leaks are pretty
>>>common if you still have not changed your rubber hoses in a while.
>>>
>>>1. Pressure test the boost tract and listen for leaks. Check the
>>>clamps for tightness.
>>>
>>>2. If it isn't a leak and you are certain it is the MAP sensor I
>>>recommend VMAP. VMAP makes a dandy replacement to the Bosch 2,5 bar
>>>sensor.
>>>
>>>http://moreboost.com/
>>>
>>>Rich
>>>
>>>On Tue, 08 Mar 2005 20:47:03 -0800, Chris Holinger
>>><chris.holinger at gmail.com> wrote:
>>> > In Seattle, WA and was just diagnosed with a bad ECU pressure sensor.
>>>The
>>> > Beast is shutting off the fuel when I really put the spurs to it so 
>>>it¹s
>>> > bucking big time.  Or, as Bob Myers put it:
>>> > ³symptoms:  starts fine.  Idles fine. Cruises at constant speed fine.
>>>Will
>>> > accelerate if not done too enthusiastically.  If you get heavy on the 
>>>loud
>>> > pedal you have a nasty miss.²
>>> > Suggestions based upon the fact that I would like to upgrade in the 
>>>near
>>> > future?  Keep in mind, I just want to make it back to Chicago by the 
>>>end of
>>> > the month safely.
>>> >
>>> > Å’Preciate any other help/advice you can offer.
>>> >
>>> > Thanks,
>>> > Chris
>>> > --
>>> > http://homepage.mac.com/cholinger/headinwest/
>>> >
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