Computer ECU Reset? - benefits/how to? - Civinfo
 
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post #1 of 11 (permalink) Old 20th August 2010, 00:12 Thread Starter
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Exclamation ECU Reset? - benefits/how to?

So....upon hearing that the cars on board computer adapts to the driving style, whether there be fact in it or not...I believe there may well be! After loaning the old man my car for a few days recently.

A friend of mine has an old civic and told me to reset the ECU myself, to let it adapt to my driving style, and I mentioned that the car always has excellium petrol in it and he mentioned an ECU reset would be very beneficial?

Is there much truth in this, and also how do I do it if so?

I know I could go to the stealers and get it done but I would rather do it myself as he mentioned on his its just pulling 2 fuses out for a while then let the car idle or something along those lines?
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post #2 of 11 (permalink) Old 20th August 2010, 00:44
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just kick its bloody head in man!!!!
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post #3 of 11 (permalink) Old 20th August 2010, 01:33
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Doesn't just disconnecting the battery do this?



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post #4 of 11 (permalink) Old 21st August 2010, 02:04 Thread Starter
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I have no idea...hense the thread
Kick its head in??...maybe not eh!

Any other ideas?
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post #5 of 11 (permalink) Old 21st August 2010, 02:10
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It recalibrates the sensors after a battery disconnect.
The 2.2 adapts to different cetane rated diesel.
I dont know if the 1.8 ecu will do this for octane rating.



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post #6 of 11 (permalink) Old 21st August 2010, 02:15
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it will if other cars are anything to go buy , disconnect the negative off the battery and leave it off for 5 or so minutes , use the window switches a few times once this is done to remove any charge stored in the electrical system and replace the negative termination , start the car and drive it gently to start , and as temperature builds and your satisfied all is ok , unleash hell , usually works for me

stephen
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post #7 of 11 (permalink) Old 21st August 2010, 09:11
 
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Thats a crap. You restart the ECU everytime You start the car. To reset the ECU, You must reflash it.
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post #8 of 11 (permalink) Old 21st August 2010, 09:46
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Quote:
Originally Posted by ksuuk View Post
Thats a crap. You restart the ECU everytime You start the car. To reset the ECU, You must reflash it.
No - a reset by disconnecting the battery should reset trim maps and ignition advance settings. A full reset can be done with the HDS, but you then need to do idle learn procedures and so on.

I'm never a great believer in this though, after a few miles it should just end up in the same place.
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post #9 of 11 (permalink) Old 21st August 2010, 10:39 Thread Starter
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I thought this may gain a few different opinions, as after googling it there are also many suggestions as to the benefits....or whether they are actually benefitting in the long term...one site suggested you should do this whenever modding your cars performance...
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post #10 of 11 (permalink) Old 26th September 2010, 22:25
 
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anybody has tried this? will this actually reset anything else but the settings? ( disconnecting the battery ). I do have a problem that when the outside temperature is over 25 degrees Celsius, my car goes very slow and reacts with about 2 seconds lag to acceleration.

I think a ECU reset may bring something? At least it doesn't cost anything.
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post #11 of 11 (permalink) Old 27th September 2010, 02:24
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Quote:
Originally Posted by rault View Post
anybody has tried this? will this actually reset anything else but the settings? ( disconnecting the battery ). I do have a problem that when the outside temperature is over 25 degrees Celsius, my car goes very slow and reacts with about 2 seconds lag to acceleration.

I think a ECU reset may bring something? At least it doesn't cost anything.
Have you changed the intake? As that may be down to heatsoak...
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  Civinfo > 8th Generation Euro Honda Civic (2006 - 2011) > Electronics (8G)

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