'85 ur-q Cold Start Problem

[quk@sievers.com (Phil Payne)]

In message <199611050314.WAA00717@hammurabi.nh.ultra.net> human writes:

> It sounds *exactly* like the warm up regulator.  But I thought a sensor and
> the ECU handled that function in cars newer than 82/83 or so?  Well, anyway,
> if you do have one, (it's that thing on the side of the engine block that
> two fuel lines go to) I would be almost certain that's the problem.  

Nah.  The 1988/9 MB ur-quattro is prone to the same problem.

> Anyway, your symptoms are exactly what I have experienced twice with bad WU
> reg's.  They're expensive, but used ones work.  I even ran a Volvo one my
> neighbor gave me once.  Worked fine!  same Bosch casting, but it was "upside
> down".  They're easy to change. - two banjo bolts, one electrical connector
> and two vacuum lines of different sizes.  Check all your vacuum lines for
> quality while you're at it.

Just a comment - remove the device from the block _before_ removing the fuel 
lines.  The banjo bolts are not designed to support the kind of torque 
necessary to loosen the fuel conectors.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club