[V8]

[Tony Hoffman]

The 4 wire for the ford completley cured my V8 of the surging, gas milage
improved a little as well. I used the '93 Keith recomended. You can either
cut and splice to the existing wires, or get the 4 wire plug. I did the
plug to make future changes easy, since I'll have my car till it dies. 

Tony Hoffman
----------------------------------------------
Original Message
From: "Jeremy Ward"<jward at mti-interactive.com>
Subject: RE: [V8] "Major Surging"
Date: Sun, 18 Jul 2004 08:25:37 -0700

>Makes sense to me.  Although I haven't had any experience with this
myself, it has been a popular 
>topic from time to time.
>
>I think it was Keith that told us that a '93 Ford F150 5.0L Oxygen sensor
works great in the 
>V8 for much less money than the same Bosch O2 sensor from the Audi
dealership. The Ford uses 
>2 of these sensors, but our V8s will only need one. This is a 4 wire
sensor however (Audi is 
>3 wire); the extra wire is a dedicated ground wire and must be hooked up.
>
>It is located on the exhaust 'X' near the transmission.
>
>Symptoms (as you know) are surging power and poor gas mileage.
>
>A buddy at work told me that you can test your O2 sensor with instructions
found on the internet. 
> Do a search on Google for oxygen sensor test torch.  (I probably wouldn't
bother testing it, 
>just replace it.  But if you want to be 100% sure...)
>
>I have hear that they can be stubborn to remove (due to the heat that baby
sees), and chances 
>are that it has been replaced in the past, therefore the wires are already
spliced.
>
>Bob, the O2 sensor is one of the more common maintenance items...  If it
were me, I wouldn't 
>go through the trouble of robbing one from the '92 to try it out in the
'90 considering the 
>headache of R&R combined with the fact that they can be found for fairly
inexpensive at the 
>Ford dealer, or the auto parts store...
>
>HTH,
>
>- Jeremy
>
>
>
>-----Original Message-----
>From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf
Of BBlake1055 at aol.com
>Sent: Sunday, July 18, 2004 8:03 AM
>To: v8 at audifans.com
>Subject: Re: [V8] "Major Surging"
>
>One thing I did notice is that when the engine is cold it doesn't seem to
have the surging 
>problem.  Would that make a difference with the O2 sensor???
>
>Bob Blake
>
>90' V8
>91' V8
>92' V8
>
>In a message dated 7/17/2004 8:49:54 PM Eastern Daylight Time, Kneale
Brownson <knotnook at traverse.com> 
>writes:
>
>>Oxygen sensor????
>>
>>At 08:19 PM 7/17/2004 -0400, BBlake1055 at aol.com wrote:
>>>My 91' has recently developed some major surging problems.  It use to be 
>>>minimal at 3/4 throttle but now it seems to be there 95% of the time.
>>>
>>>I notice when the computer was in the "instant mileage" mode and I held
it 
>>>at a steady 65 mph the mileage would bounce back and forth from 28 mpg -
to 
>>>21 mpg.  it feels as if the fuel pump is tuning on and off.  The overall
gas 
>>>mileage is still ok.
>>>
>>>Any ideas????
>>
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contributions welcome!
>>
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>Have a V8 answer? ... Please help others by adding to the KB ... all
contributions welcome!
>
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>http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/V8
>Have a V8 answer? ... Please help others by adding to the KB ... all
contributions welcome!
>

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