I thought about that, but if I just swap the repaired unit in and the
symptoms continue I won't know if it is because there is some other issue
or because I hadn't repaired the ECU correctly. I'd rather go with a known
good ECU.

--Thomas

On Wed, Mar 21, 2012 at 16:39, OlRivrRat <OlRivrRat@comcast.net> wrote:

>                Thomas
>
>        Sounds like it might be a good time to open up that old one to see
> if
>
> you can find any obvious issues with it & fix it if you can & then swap it
> in
>
> to see if things change.
>
>                                                        ORR ~ DeanB
>
>
>
> On 21 Mar , 2012, at 3:35 PM, Thomas Wilsher wrote:
>
>  The symptoms I'm seeing right now is that the van is hesitating when it
>> gets up to about 4000 rpm (sometimes even before that, particularly when
>> letting up on the gas). The reason I wanted to try a different ECU was for
>> two reasons:
>>
>> * Other threads I've looked at in the archives suggest trying a known good
>> ECU up front, since it's an easy swap
>> * I had the exact same symptoms a few years ago, and it turned out to be
>> the ECU. Putting in a different (used) ECU completely took carte of it.
>>
>> I never opened up that bad ECU, but suspect it was a case of cracked
>> solder
>> joints, which apparently is a common problem with these ECU -- there's
>> quite a bit about that as well in the archives, including some great
>> instructions on how to reflow the bad solder joints. Right now I'm
>> assuming
>> that my current ECU has suffered the same fate.
>>
>> --Thomas
>>
>>
>>
>> On Wed, Mar 21, 2012 at 13:42, Scott Daniel - Turbovans <
>> scottdaniel@turbovans.com> wrote:
>>
>>  fwiw ..
>>> it's rarely the ecu.
>>> and of course, it's good to have a known good spare.
>>>
>>> the only failure mode I've ever seen in one is it just won't work, and
>>> that's quite rare.
>>> I hope you find one to try.
>>>
>>> a guy local to me bought a known good one off me..
>>> I even ran it for him in another van ..
>>> then he calls and he wants to borrow my 'this unit' and my 'that unit'
>>> for
>>> testing purposes ..
>>> sure.
>>> they can be tricky to sort though ..
>>> what are your simptoms,
>>> and did you try with oxygen sensor disconnected ?
>>>
>>> scott
>>>
>>> On 3/21/2012 10:34 AM, tw67syncro@gmail.com wrote:
>>>
>>>
>>>
>>> I'm experiencing some driveability issues with my '87 Vanagon and need
>>> to test it with a known good ECU. Anyone in the SF Bay Area that have
>>> a known good 2.1 WBX ECU that I could borrow for a couple of days? I
>>> have another one coming my way, but it looks like it will be a few
>>> days, and since that one is used I'm frankly not 100% sure whether it
>>> is good or not.
>>>
>>> Thanks,
>>> Thomas
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