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s1/s2 ecu question

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Old Jul 20, 2006 | 03:52 PM
  #1  
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bigmatt-s2rst
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Default s1/s2 ecu question

will a s2 ecu fit an s1???
or does it have to be s1?
i know the s2 has knock sensor and s1 doesnt, any other differences?

cheers
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Old Jul 20, 2006 | 03:56 PM
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any ecu from a knock sensor car, needs a knock sensor. Early S2's didnt have a knock sensor. So no, it won't fit...
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Old Jul 20, 2006 | 03:59 PM
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so an early s2 ecu will fit my s1
how can i tell which is an early one??

find al this confusing lol
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Old Jul 21, 2006 | 08:13 PM
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the colour code, which i can't remember - but as long as its not blue red black, or hearts and diamonds ur ok.
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Old Jul 21, 2006 | 08:21 PM
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sound, got an nms chipped one of the mighty bay so that will do me for now
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Old Jul 21, 2006 | 08:33 PM
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you want blue-red-blue or blue-red-white
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Old Jul 21, 2006 | 08:43 PM
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Originally Posted by swerv
you want blue-red-blue or blue-red-white
There you go
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Old Jul 21, 2006 | 09:02 PM
  #8  
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and its blue red blue so im sorted woooo hoo
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Old Jul 22, 2006 | 09:48 AM
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Rick i think you will find they will all fit different cars and have the same pinouts but as you say if you fit a late ECU designed for a knock sensor to a car without one it will run like a pile of poo
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