new '86 4kq

[Russ Maki]

> From: "Bernard Littau" <bernardl at acumenassociates.com>
> To: "Quattro at Audifans.Com" <quattro at audifans.com>
> Subject: new '86 4kq
> Date: Mon, 25 Mar 2002 22:10:27 -0800
> It's a new car to me, and it has a few problems.  A major issue is 116000
> miles on the original timing belt and WP.  I know how to handle this.
>
> 1) the tachometer does not function.  Any hints on where to start?
> 2) very difficult to start cold.  Crank and crank and crank.  Flooring the
> throttle seems to help it catch.  Runs rough, then settles as it warms up.
> Starts well hot.  Any hints?
> Thanks,
>
> Bernard Littau
> Woodinville, WA

A few more hard-starting possibilities: failed coolant temperature sensor,
thermo-time switch or clogged cold-start injector. The easiest to test and
repair is the coolant temp sensor, which should measure 2.5K ohms between
the prongs at ~60F. I tested resistance once on a cold engine at 35F (in
case you're still stuck in a winter climate like me) and got something like
5.5K ohms. I'm pretty sure that's as it should be.

Russ Maki
Ixonia, Wis.