Hi Don.

I too thought the exhaust was isolated but of course it's bolted to
the engine at manifold and there's a ground strap connecting drive
train to frame.

I've put that ECU through some paces. This being my first swap. It may
indeed be wonky.

My original thought was "fuel pump". But..... when attempting to start
it in parking lost, I noticed the MIL not coming on when key turned to
ign.

Neil.

On Thu, Aug 25, 2011 at 7:23 AM, Don Hanson <dhanson928@gmail.com> wrote:
>
>
> On Thu, Aug 25, 2011 at 12:18 AM, neil n <musomuso@gmail.com> wrote:

>>
>> Driving home, pedal to metal for short burst (less than 1 mile), going
>> 70 MPH up hill, van died.
>> --
>> Neil n
>>
> � Original post snipped..
>
> � If your 'died' was sudden and abrupt...I think "wires or switches or
> connections"...something electrical...
>
> � Welding with the ECU in the vehicle IS not advisable.� I have been told by
> mechanics I trust that it does sometimes destroy the ECU or cause it to go
> wonky (a technical term)� That being said, I have had extensive welding done
> on the exhaust system of my van and forgotten to remove the ECU without dire
> consequences...The engine and the exhaust system ARE isolated from the
> chassis by rubber mounts, in my case.
> � Fuel pump and fuel pump relay could also be your cause.� Perhaps your coil
> is going, too.� Ignition switch is worth looking at.
> � At least it didn't start puking coolant and oil all over or pop a
> gasket..� Keep us posted, when you find the cause.
>
> � Don Hanson
> � It has been extra hot around here (Oregon/Washington border area)
>

-- 
Neil n

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