Date: Fri, 21 Nov 2008 08:58:11 -0800
Reply-To: mdrillock <mdrillock@COX.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: mdrillock <mdrillock@COX.NET>
Subject: Re: Digifant component comparison between Jetta and Vanagon
In-Reply-To: <C54C3F91.32DD%dave.arthur@nscc.ca>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I think you made an error typing the part number for the 89 Jetta AFM
number.
It should be 037 906 301, not 025 906 301.
In any case, the first 3 digits only tell what it was first used on.
When the first of these is a zero it means the next 2 digits are for an
engine or transmission family.
Even if all 9 numerical digits are the same, a change in the last letter
can mean a distinctly different part that can't be interchanged.
There are lots of parts used later on different vehicles that keep the
part number referring to the original vehicle. A part does not get a new
number when fitted to a different application.
Mark
Dave Arthur wrote:
> >From ETKA
> No warranty, expressed or implied on this information...
>
> Part number for '86 MV (2.1) Idle control valve 025 906 457A
> Part number for '89 Jetta (1.8 Mexico) Idle control valve 037 906 457D
> Part number for '92 Jetta (1.8 Mexico) Idle control valve 037 906 457F
>
> Part number for '86 MV (2.1) Mass Air Flow Sensor 025 906 301
> Part number for '89 Jetta (1.8 US) Mass Air Flow Sensor 025 906 301
>
> Veeery interesting... (Laugh In??)
>
> All of the Jetta types were using Digifant. Note if you drop the first three
> digits (vehicle type identifier?), the remainder is the same (ETKA calls
> this the 'base part number').
>
> Looking at the diagrams etc. I am going to assume this for my use (yours too
> if you agree)
>
> "Similar vintage Digifant systems appear to share the same components. Such
> as mass air flow sensors, idle control valves, possibly more."
>
> I'm going to check a few more parts to confirm this. The real test of course
> would be to plug one in a WBX and find out :-)
>
> D
>
> On 20/11/08 5:49 PM, "Dave Arthur" <dave.arthur@nscc.ca> wrote:
>
>
>> If you can send me a model year for the Jetta, that you think will match, I
>> can look it up in ETKA.
>>
>> D
>>
>>
>> On 20/11/08 7:06 PM, "Allan Streib" <streib@CS.INDIANA.EDU> wrote:
>>
>>
>>> "pdooley" <psdooley@VERIZON.NET> said:
>>>
>>>
>>>> Glad you solved it, sorry you paid $229. Ouch.
>>>>
>>>> Does anybody know if the ISV from digifant Golf/Jettas are compatible?
>>>> I have a bucket with about 10 ISV's from these cars.
>>>>
>>>> They can't all be bad...
>>>>
>>> I had to replace one on a Jetta, same basic symptoms, wandering idle.
>>>
>>> Looked exactly like the one on the Vanagon, whether they are
>>> interchangeable I don't know, but I would suspect they are.
>>>
>>> Anyone got a Hollander book?
>>>
>>> Allan
>>> --
>>> 1991 Vanagon GL
>>>
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