Water temp sensor

[Andrew Duane]

The "dead" water temp guage is a very common problem. It's the sender by
the top of the radiator, very easy to get at and replace. BTDT times 3
at least.

/Andrew
 

> -----Original Message-----
> From: quattro-bounces at audifans.com
[mailto:quattro-bounces at audifans.com]
> On Behalf Of Bill Shaw
> Sent: Monday, October 08, 2007 10:07 AM
> To: quattro at audifans.com
> Subject: Re: Water temp sensor
> 
> I have 2 issues,  they're probably independent.  The one I'm chasing
> with the new sensor is that the gage drops to 0.  Sometimes it seems
to
> work OK,  other times it's off the bottom of the scale.  So I should
be
> looking for the sensor up bu the radiator ,  not on the bypass pipe at
> the rear of the head?
> 
> Second problem is an intermittent misfire.  I got an error code that
> said 'intermittent misfire' IIRC,  nothing more descriptive.  The
dealer
> would just throw parts at it,  coils, wires, modules.  I'm hoping I
can
> solve a little smarter,  and not just shotgun it,  but not sure where
to
> start.  It seem so pop more at low rpms,  and part throttle,  seems to
> run much better at high rpms and wot.  Any thoughts on how to isolate
> the problem?
> 
> Thanks,
> 
> Bill
> 
> > Cody Forbes wrote:
> >
> > Bill Shaw wrote:
> >
> >> Hi All,
> >>
> >> I bought a new water temp sensor for my wife's '99 A6QA but iy
appears
> >> to he wrong part.  The one I got is green with sort of a horseshoe
> >> shaped connector.  The one in the car is blue with a square shaped
> >> connector.  It's on the rear of the passanger's side head,  right?
Am
> >> I looking at the right part?
> >>
> >
> > There are two. The green one goes up by the radiator in the lower
hose.
> > Which one you need depends on the problem you are facing. I've
replaced
> a
> > dozen of each on customer cars! I tend to get them confused, but
IIRC
> the
> > one up by the rad is for the gauge and fans, the one on the back of
the
> > passenger cylinder head is for the ECU.
> >
> > Whats your code/complaint/etc?
> >
> > -Cody Forbes
> > http://www.5000tq.com
> > '87 5ktq - Fast.
> > '86 5ktqCD
> > '86 5k
> > '86 5k
> >
> >
> >
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