[V8] Sensor Question

Justin Bowers justin.bowers at comcast.net
Thu Jun 2 22:02:05 EDT 2005

I'll add in my $.02 and share that I swapped out both at the same time as it
hardly seemed worth the hassle of having to do a second time down the road
(likely sooner then later).  By the way, when I owned two V8's it was the
same for both.

If you can manage the spend, doing both at once is money well spent in my


-----Original Message-----
From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf Of
Kneale Brownson
Sent: Thursday, June 02, 2005 5:16 PM
To: Buchholz, Steven; v8 at audifans.com
Subject: RE: [V8] Sensor Question

Replacing those sensors is such a PITA procedure that I would do both at
the same time.  As a matter of fact, that's exactly what I did when I was
having the warm start issue.  You have to extract both to get one out
anyway.  Like Steve notes, if one's gone, the other most likely won't be
far behind and the failure problem with the other is no go at all, as
opposed to delayed starting when warm.

At 05:04 PM 6/2/2005 -0700, Buchholz, Steven wrote:
>I think I'd recommend against getting a used part myself.  It is a fact
>that they have a limited lifespan, so replacing the part with a used one
>means you may be doing the job again sooner than later.  If you replace
>it with new it is unlikely you will ever have to replace the sensor
>... that said ... it certainly seems that if one sensor goes the other
>won't be far behind.  While the reference sensor tends to be more of an
>inconvenience, when the speed sensor fails the engine cannot run at all
>and will stall.  I don't know if you will want to plunk down $300 ...
>but you might want to give it some thought.  Another alternative ... buy
>a replacement speed sensor and move your existing speed sensor into the
>reference sensor location.  It will be true that you will have to
>remember which is which as they will no longer be properly color coded
>I know there was someone who posted about cheaper alternatives, but my
>quick check of my archives and the Audifans KB search were fruitless ...
>Steve B
>San Jose, CA (USA)
>> After turning off my V8 after driving it for some time (read: engine
>is at
>> operating temperature) , letting it sit for 5-10 minutes and then
>trying to
>> restart, it often just cranks with no starting.  If I were to stop the
>car and
>> immediately try to restart it, no problem.  If I were to stop the car
>and then
>> let it sit for 30 minutes and then try to restart, no problem.
>> I had the shop check the fuel pressure to see if the check valve in
>the fuel
>> pump may be faulty, but it's OK.  They believe it's the sensor that
>checks for
>> cylinder #1 -- they got some intermittents on the test.
>> A new sensor costs $169.00.  Anyone know of a significantly cheaper
>> or have a parted out V8 that would offer this part for a lower cost?
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