Just went thru similar ordeal with my '86 Westy.
Replaced ECU.....3 weeks & several hundred miles so far......no more problem.
Of course it may have been just the connection, so I plan to clean it well
and reinstall the "apparently" bad ECU to determine if it was just the
connections.
Tim Timothy
Pensacola, FL

In a message dated 11/17/2001 1:53:09 PM Central Standard Time,
mwmiller@CWNET.COM writes:
> Volks,
>
> My son and I took the 85 Westy on a trip.  Many times it has kind of
> hesitated at about 100 miles, then it smooths out and is fine.
>
> This time it started at 50 miles and got worse.  Had to go down a gear lower
> than usual to get up the mountains.  Stopped for dinner and it wouldn't
> start afterward.  Starter spun it very well, no fire at all.
>
> Checked for spark and it was weak but there.  Fuel pump made it noise on
> turning the key.  Tried it several more times, nothing, no effort to kick
> over at all.
>
> Had a spare coil [Bosche from the last episode of missing which turned out
> to be plugs wires] plugged it in, much better spark, no help with starting.
>
> Tried spraying carb cleaner into the intake [removed the air filter]
> nothing.  Spent the night in the parking lot.  Started the next morning ran
> like a tank until it ran out of gas 10 miles from home.  Put gas in and it
> started and ran fine.  Got home and then tried to start it and it did the
> same no fire at all trick that it did at the restaurant the night before.
>
> My son's guess was that the first coil was bad [new Bosche] and when we put
> the old coil in the engine was flooded from the earlier tries to start it.
>
> But that doesn't explain why it's doing it again.  He still thinks fuel
> delivery problems, my guess is gremlins.
>
> Anybody else got an idea.
>

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