Finally got my 88 16v on the road!!

[jdbubb at verizon.net (Dan Bubb)]

The coolant temp sensor is on the driver's side end of the head, generally around the coolant outlet casting and below the distributor.
I don't recall specifically, but it's either the smaller of the single contact sensors (the other being the oil pressure sensor) or the smaller of the two contact sensors (the other being the thermo-time switch for the CIS cold start injector).
As far as the coolant light, it will flash for a couple seconds after starting the car and also if the coolant level is low. I've never noticed it flashing consistently as long as the alt light is on, but OTOH my alternator kicks in and starts charging almost immediately, so I'm no help there.
Dan

From: "Eric Marsden" <marsden.eric@gmail.com>
Cc: <Scirocco-l@scirocco.org>
Sent: Thursday, August 31, 2006 9:09 AM
Subject: Re: Finally got my 88 16v on the road!!


> can someone please tell me where the coolant temp sensor is located.  I
> thought it was the sensor on the radiator itself but I have learned instead
> that it is the fan thermostat.  and the Bentley book doesnt make mention of
> the coolant temp sensor anywhere that I can find.
> 
> Also here is another weird issue.  The coolant light on the dash willl flash
> along with the alternator light until I rev up the engine then both shut
> off...Any ideas on that anyone?
> 
> 
> 
> On 8/29/06, Daun Yeagley <vwdaun@yahoo.com> wrote:
>>
>>
>>
>> --- Eric Marsden <marsden.eric@gmail.com> wrote:
>>
>> > 1.  When I first start the car up it runs really rough
>> > and idles very low
>> > until the temp needle moves a little bit then the idle
>> > smooths out.  I
>> > assume this issue is because the warm air deflector and
>> > all associated parts
>> > running into the airbox are missing.
>>
>> Nope - that crap can safely be scrapped.  It sounds like
>> you've got a bad coolant temp sensor.
>>
>> > 2.  The car seems to have no get up and go in first gear.
>> >  Put it in second
>> > gear and it is very very lowgy almost stalling in out in
>> > some cases.  I at
>> > this point am attributing majority of that problem to the
>> > fairly large leak
>> > I have in the flex pipe.
>>
>> See problem 1.
>>
>> > 3.  Finally the fuel pump seems to stay on for a while
>> > after I shut the car
>> > off.  I wanna say somewhere in the realm of 30-45
>> > seconds.  For this issue I
>> > dont know if it is normal or not so I have no possible
>> > cause.
>>
>> I'd be checking for hacked wiring or a faulty relay as
>> that's definately abnormal and not good.
>>
>>
>> Daun Yeagley - Wilmington Ohio
>> '80 Scirocco                 '81 Scirocco S 16v to be?
>> '86 Scirocco 8v              '88 Scirocco 16v
>> '88 Scirocco Slegato (Gino!) '96 Passat GLX Wagon
>> '56 Cessna 172
>> The first rule of intelligent tinkering is to save all the parts -
>> Ehrlich's Law.
>>
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