[V8] Temp sensor default value

Tony and Lillie tonyandlillie1 at earthlink.net
Wed May 10 18:44:15 EDT 2006


According to the literature, the default is 175 degrees F. It also relies on 
the intake air temp sensor reading more at this point.

Tony Hoffman

----- Original Message ----- 
From: "Ed Kellock" <ekellock at gmail.com>
To: <v8 at audifans.com>
Sent: Wednesday, May 10, 2006 2:20 PM
Subject: Re: [V8] Audi V8 - we build excitment! (Woes of V8 ownership)


> First, I don't think anybody's found a $1k sensor on these things yet, but
> that doesn't mean it's not hidden somewhere.  ;-)
>
> 2nd, I think the knock sensors will only cause timing retardation, not
> mixture adjustments.
>
> And C, I was thinking temp sensor 1st but OXS, sure, that could be it.
>
> Does anyone know default value the ECU will use if you unplug the temp
> sensor?  Gotta be somewhere in the middle, I'd guess.  Recently beat a v8
> 5spd back to life which would flood horribly.  Thought about unplugging 
> the
> temp sensor about the time it finally sputtered kicked, then roared to 
> life,
> spewing heinous spent gasses at the tail pipes.
>
> Has anyone tried unplugging the temp sensor when battling a flooded engine
> in one of these?
>
> Ed
> Colorado Springs
>
>
> On 5/10/06, Ingo Rautenberg <i.rautenberg at waratap.com> wrote:
>>
>> Carter,
>>
>> Hmm.  Methinks it's a OXS sensor problem (or related wiring).  The
>> resistance values tell the computer to dump more fuel (had it with the
>> 5-speed), but if the wiring has been cut or somehow compromised, the 
>> correct
>> values will never be obtained.  Instead, you'll be washing the cylinder
>> bores with fuel, fumigating the cars behind you, and emptying your
>> wallet.  I'd disconnect the signal (black) wire from the OXS and see what
>> happens.  Then I'd check fro compromised wiring and repair/replace oxs
>> sensor.  If that doesn't do it, it could well be the  temp sensor below 
>> the
>> pass side distributor (but that should give a code).
>>
>> HTH
>>
>> Ingo
>> ----- Original Message -----
>> From: Carter Johnson
>> To: Ingo Rautenberg ; v8 at audifans.com
>> Sent: Wednesday, May 10, 2006 4:46 PM
>> Subject: Audi V8 - we build excitment! (Woes of V8 ownership)
>>
>>
>> Ah Ingo, how right you are.
>>
>> So, my latest (3000 mile) problem:
>>
>> I'm driving along, I smell raw, unburned or partially burned fuel,
>> immediately check engine light comes on, and milage drops to ~14 mpg at
>> best.  Driving is uneffected, from what I can tell.  This comes and goes,
>> but in the last 3000, it's mostly been there.
>>
>> Any thoughts?
>>
>> My guess: Engine thinks it is running lean (knock sensor malfunctioning?)
>> and dumps fuel into the motor.
>>
>> This coincided with the changeover to Ethonol "summer gas", 
>> interestingly,
>> and at the same time my cousin's S4 started running rather poorly 
>> (perhaps
>> unrelated, but it wouldn't surprise me if the gas was to blame).
>>
>> At 3+ a pop for a gallon, it would be nice to be back around 21mpg, but
>> not if it's a 1,000$ sensor.
>>
>>
>> Carter
>>
>> Ingo Rautenberg <i.rautenberg at waratap.com> wrote:
>>    As Mike Arman would say, "Not just a car, its an ADVENTURE!"
>>
>>    ;-)
>>
>>    ----- Original Message -----
>>    From: "Carter Johnson"
>>    To:
>>    Sent: Wednesday, May 10, 2006 4:22 PM
>>    Subject: [V8] shiftlock
>>
>>
>>    > This JUST started happening in my car, as well - also a 93. Hmmmm.
>>    Disconcening the first time it happened, for sure!
>>    > Carter
>>    >
>>    >
>>    > Message: 8
>>    > Date: Wed, 10 May 2006 14:32:55 -0400
>>    > From: Ingo Rautenberg
>>    > Subject: Re: [V8] ShiftLock problem..
>>    > To: ur32vquattro
>>    > Cc: v8 at audifans.com, Scott Baumann / PTS Power
>>    > Message-ID: <9DEDD3CA-AACE-4126-A1BA-C7DC45FFAC39 at waratap.com>
>>    > Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>>    >
>>    > Which reminds me. On the '93, it seems half the time when I move the
>>    > shifter to park, I find that the key won't release and then the
>>    > reason: The shifter does not pop up at the end. Quick lift on the
>>    > knob and the ignition is unlocked.
>>    >
>>    > Ingo
>>    >
>>    >
>>    >
>>    >
>>    > W. Carter Johnson
>>    > SileStone/Counterfitt of RI
>>    > 401-789-3217 home
>>    >
>>    > ---------------------------------
>>    > Get amazing travel prices for air and hotel in one click on Yahoo!
>>    FareChase
>>    > _______________________________________________
>>    > Audifans V8 mailing list
>>    > Send posts to: mailto:V8 at audifans.com
>>    > Manage your list connection:
>> http://www.audifans.com/mailman/listinfo/v8
>>    > Have an Audi V8 question? Check the Audifans Knowledgebase!
>>    > http://www.audifans.com/twiki/bin/view/Audi/V8
>>    > Have a V8 answer? ... Please help others by adding to the KB ... all
>>    contributions welcome!
>>    >
>>
>>
>>
>>
>>
>> W. Carter Johnson
>> SileStone/Counterfitt of RI
>> 401-789-3217 home
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Yahoo! Messenger with Voice. PC-to-Phone calls for ridiculously low 
>> rates.
>> _______________________________________________
>> Audifans V8 mailing list
>> Send posts to: mailto:V8 at audifans.com
>> Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
>> Have an Audi V8 question?  Check the Audifans Knowledgebase!
>> http://www.audifans.com/twiki/bin/view/Audi/V8
>> Have a V8 answer? ... Please help others by adding to the KB ... all
>> contributions welcome!
>>
> _______________________________________________
> Audifans V8 mailing list
> Send posts to: mailto:V8 at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
> Have an Audi V8 question?  Check the Audifans Knowledgebase!
> http://www.audifans.com/twiki/bin/view/Audi/V8
> Have a V8 answer? ... Please help others by adding to the KB ... all 
> contributions welcome! 



More information about the V8 mailing list