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

Robert Myers robert at s-cars.org
Wed Mar 9 14:59:11 EST 2005


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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>> >
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