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help with ecu ident

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Old 07-10-2002, 05:58 PM
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Default help with ecu ident

I found a used ecu pn 8D0 907 551.
How do you tell which ecu goes with which car?
I have not taken delivery of my 2001 yet but I thought this might be a good opportunity to get an ecu to chip and keep my stock one.
Old 07-10-2002, 06:08 PM
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Default there should be a letter after that part number

That's the important part.
Old 07-10-2002, 06:11 PM
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Default Re: there should be a letter after that part number

Yeah it should have a letter after that code to tell u what kind of box the ecu is from....for instance my ECU is an M box <---- look for letter repesenting that. If its an early 2001 S4 ecu its a T box.
Old 07-10-2002, 06:12 PM
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Sorry -- "A"
Old 07-10-2002, 06:13 PM
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not sure my build date yet.....its 2001...what does "a" refer to?
Old 07-10-2002, 06:14 PM
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Default Re: Sorry -- "A"

Thats not an A4 or S4 ecu i don't think it is.
Old 07-10-2002, 06:15 PM
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build date means month/year, grab that from your door and then we will tell you
Old 07-10-2002, 06:15 PM
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ad says s4 ecu for 2000-2001
Old 07-10-2002, 06:15 PM
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I thought "T" was for 2002 6-speed?
Old 07-10-2002, 06:16 PM
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get the car on Saturday....don't have sticker to look at yet.


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