The only real good way to test thecomputer is to swap it
with a known good running vanagon.  Althought if you know
what you are doing, you can take it apart and look for coold
or bad solder joints.
                                               ERic

Jim Felder wrote:

> Thanks for the input on the poor-running 2.1. Here's what I've heard so
> far:
>
> 1. Bad ground between the head and the chassis. Test: run a new ground.
>
> 2. Bad hall-effect sender. Test: ??
>
> 3. Bad cold-solder joints in the computer. Test: ??
>
> 4. Coil. Test: I assume he can test by pulling the coil wire and
> checking for spark to ground when the engine is hot.
>
> If anyone knows how to test for these problems, I'd appreciate hearing
> about it.
>
> Thanks all for your input,
>
> Jim
>
>