I read somewhere that if u disconnect the battery that it resets the computer in your car so that it takes better to modifications. Is this true? for some reason it sounds strange to me.
true...some people will say it needs to sit disconnected for 15mins, some will say an hour, some will say overnight. i've always just kept it disconnected as long as it took me to do the modification...
GO PATS!!!
yeah. its true. i always left it dissconected for 30 minutes
Im a Xbox 360 fanboy...and damn proud of it!!
it's not a bad idea to disconnect so the computer can relearn faster after mods.will still relearn if u don't disconnect, but just takes a little longer.sometimes a lot longer
People say that what doesn't kill you in this life
will make you stronger. I'm not sure if that is true
or not, but i do know one thing-You have to learn from
it and it has to make you better.......it has to.......
The only problem I see, and maybe I'm wrong in what I'm about to say, is that the ECU will still atry to run the engine within its designated parameters. It's only programmed to accept certain conditions, and to adjust accordingly. So if the mods we do introduce conditions outside normal parameters, then won't it defeat the purpose of letting the ECU relearn?
Be kind to dragons, for you are crunchy and taste good with ketchup.
JT wrote:The only problem I see, and maybe I'm wrong in what I'm about to say, is that the ECU will still atry to run the engine within its designated parameters. It's only programmed to accept certain conditions, and to adjust accordingly. So if the mods we do introduce conditions outside normal parameters, then won't it defeat the purpose of letting the ECU relearn?
It depends on the computer and the modification. If you for example change your camshafts, resetting the computer will force it to learn the new modification faster than putting camshafts in and continuing driving on no reset but it will eventually learn the new modification. Alot of computers will try it's hardest though to go back to stock perameters. Some computers will detect too much airflow (more than it's used to) and throw as much fuel as it can in your motor. Different computers react differently.
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There is actulay a cycle of turning the ignition switch on and off that will reset the computer and make it learn the new paramiters. It differs slightly from car to car but basicly once you hook the battery back up start the car and let it run for a minute then shut it off for a minute. Start it again this time for 30 sec and then turn off for 30 sec.
then turn the ignition to run for another 30 sec and then off for 30 sec. Start the car and the computer has just "learned " whatever you just did.
Yes its better this way. Well at least that what my service manager says.
Semper Fi SAINT. May you rest in peace.
Interesting. So then would it be safe to say that these "reflashes" that places like RSM do would be nearly useless? I mean, if the ECU will learn the mods on its own, than what good would the reflash be, other than removing certain things we can't mention or recalibrating a speedometer or something? Provided the new paramaters don't exceed the ECUs capabilities, of course, it seems that piggybacks would be a better alternative for controlling fuel and ignition timing to compensate for cams and turbos and whatever. I'm still pretty new at this, but I think it's starting to make sense.
Be kind to dragons, for you are crunchy and taste good with ketchup.
JT wrote:Interesting. So then would it be safe to say that these "reflashes" that places like RSM do would be nearly useless? I mean, if the ECU will learn the mods on its own, than what good would the reflash be, other than removing certain things we can't mention or recalibrating a speedometer or something? Provided the new paramaters don't exceed the ECUs capabilities, of course, it seems that piggybacks would be a better alternative for controlling fuel and ignition timing to compensate for cams and turbos and whatever. I'm still pretty new at this, but I think it's starting to make sense.
Reflashes are totally different. Reflashes are actually program changes that change the programming. The "learning" we are talking about is your computer trying to cope with a new modification but it will try it's hardest to go back to what it was programmed to.
www.kronosperformance.com / 732-742-8837
NJHK (King Of Newbies) wrote:JT wrote:Interesting. So then would it be safe to say that these "reflashes" that places like RSM do would be nearly useless? I mean, if the ECU will learn the mods on its own, than what good would the reflash be, other than removing certain things we can't mention or recalibrating a speedometer or something? Provided the new paramaters don't exceed the ECUs capabilities, of course, it seems that piggybacks would be a better alternative for controlling fuel and ignition timing to compensate for cams and turbos and whatever. I'm still pretty new at this, but I think it's starting to make sense.
Reflashes are totally different. Reflashes are actually program changes that change the programming. The "learning" we are talking about is your computer trying to cope with a new modification but it will try it's hardest to go back to what it was programmed to.
Sorry that sounded repeatative but hopefully you understood what I meant.
www.kronosperformance.com / 732-742-8837
The extent of the "learning " the computer can do is set and cannot be changed. This is what the re-flash is for. Say for example your running boost and need your timeing to be retarded to 15 degrees but the stock programing the computer has only allows up to
8 degrees of retard. Then its past the computers set paramiters and the computer needs re-programming to know it allowed to pull 15 degrees of timeing out. Computers
are very stupid things they can only do EXACTLY what they are told they can. And untill you tell it differently in the form of a re-flash it can't change.
Semper Fi SAINT. May you rest in peace.
It all makes sense now...
Be kind to dragons, for you are crunchy and taste good with ketchup.
