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How exactly does ECU work?

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Old 11-06-2009 | 03:05 PM
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Cartman's Avatar
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From: New England
future W204 owner
How exactly does ECU work?

Give it to me like i am a new born child. As title says how does ECU work. I am not to familiar with ECU. please correct me if i am wrong, is ECU a chip placed into a car so that the speed isnt governed? I have also read that it will increase HP and torque.

If i was to put one in i would do it mostly for the Hp and torque since i will not be going 150 mph. If i was to put an ECU in, should i get anymore upgrades? or does it need other upgrades to maximize its capabilities? My plan is just to get a c63 with PP but just curious what other minor upgrades are out there.
Old 11-06-2009 | 03:10 PM
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C63
http://en.wikipedia.org/wiki/Engine_control_unit
Old 11-06-2009 | 04:49 PM
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Jae Duk's Avatar
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From: Palos Verdes
'09 C63
Think of it as the CPU for a car

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