1991 90 10v problems

Huw Powell audi at humanspeakers.com
Thu Aug 30 00:51:42 PDT 2012

"Finally I got to change the thermostat. But when I exposed it I found 
it was well and truly closed.
I left the thermostat exposed and ran the engine for a while to heat it 
up and no coolant escaped past it.
So I still have an engine that wont heat up much and uses twice the fuel 
that it should. "

So did you put in the new $10 t-stat???????????

When I swapped out my bad t-stat it tested fine.

Your thermostat is junk, replace it!

On 8/29/2012 9:58 PM, Rick Hayllar wrote:
> Hi all
> I am having fun!! and at the same time getting frustrated restoring this
> be beast.
> It has had a replacement and runs well (uses no oil), apart from being
> very thirsty. It never seems to reach operating temperature. I suspected
> the thermostat was stuck open but it is not.  So something is telling
> the system that it needs to keep the mixture rich?  So any good ideas
> are welcome.
> rick hayllar
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