ECU Reset

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09-13-2006, 12:16 PM

Flippa_S4

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ECU Reset

I've heard that you need to follow certain procedures to reset an ECU to ensure no damage. What's the best way to do this?

Thx

D

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09-13-2006, 12:17 PM

wagongotya

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Unplug your ecu overnight, should reset

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09-13-2006, 12:17 PM

iconoclast

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second.

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09-13-2006, 12:27 PM

S4Poor/deux@Curbside

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Overnight? Isn't it pretty much instant?

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09-13-2006, 12:36 PM

Flippa_S4

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Re: Overnight? Isn't it pretty much instant?

So should I disconnect the battery before unplugging ECU or is it ok to disconnect without?

Thx

D

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09-13-2006, 12:36 PM

S4Poor/deux@Curbside

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No, leave the battery, you can unplug ECU anytime you want to ;-)

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09-13-2006, 12:36 PM

wagongotya

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just unplug the ecu, leave the battery alone...

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05-24-2020, 10:14 PM

John Deree

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Today by chance I opened the rear seat to check the battery and saw the ECU wasn't totally plugged then I pull it out and plugged it again I heard some sounds and warning lights which disappeared in few seconds but when started the car it took 8 seconds to start even had a feeling of start hesitation as the RPM goes slightly slow up then back down, any comment?
Thanks