Date:         Fri, 5 Nov 1999 17:44:57 -0500
Reply-To:     Bob Donalds <bostneng@FCL-US.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Bob Donalds <bostneng@FCL-US.NET>
Organization: Boston Engine Exchange
Subject:      Re: '87 ECU mysteries
Comments: To: Neil Wigley <wigley@SAN.RR.COM>
Content-Type: text/plain; charset=us-ascii

Neil Wigley wrote:
>
> I've been having strange things. Power loss, some hesitation.
>
> So I sent my ECU to Darrell. Mechanic says his scope says no change
> with the Darrellized ECU.
>
> So I get one from a parted '87.
>
> So today the mechanic calls and says that with my old ECU his scope
> says I have maybe 8, 16 or 32 cylinders.
>
> With one from the parted '87 the scope says I have exactly 8
> cylinders. This is an improvement? Now it's a constant wrong number.
>
> With a brand new ECU which the mechanic just happened to have on
> hand, the scope says four cylinders. For those of you new to the
> group, four is the right answer.
>
> I'm mystified.
>
> Any wisdom from the group?
>
> So far the catalytic converter and the oxygen sensor have been replaced.
>
> I'm thinking of taking the car home with the old ECU and giving it a
> good shakedown.
>
> Neil Wigley
> mystified in San Diego
Neil
if your coolant temp sensor (025 906 041 A) at about 15 bucks is more
than 2 years old thats good place to start next the grounds im sure
could use a cleaning and have you checked the throttle switches with a
good meter
Bob