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Old 11 September 2003, 10:23 PM
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scoobyloo
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What would happen if I plugged in a 98 STI ECU into my 98 uk turbo?
Old 11 September 2003, 11:42 PM
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greasemonkey
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Either

a)Nothing
b)It would sit there churning over on the starter motor with the CEL light on and no spark
c)It would fire, and sit there coughing and banging til you turned it off.
d)You might not be able to due to physical connector mismatch

The one thing it wouldn't do is run properly, if that's what you were getting at.
Old 12 September 2003, 01:35 PM
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dicky ticker
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speaking from very recent experience.

connected up ok.
turn key - check engine light flashes constantly.
car turns over but won't fire. therefore useless.
apparently the sti's have different sensors which affect the mapping.

cheers

colin
Old 12 September 2003, 02:42 PM
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greasemonkey
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Aha, so option (b) it is then.

As you say, the STi's have additional (charge temp, and MAP IIRC) sensors, without which the ECU won't play ball.

[Edited by greasemonkey - 9/12/2003 2:44:11 PM]
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