Will my ECU recalibrate itself???
16 April 2002, 08:57 PM
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My local Shell garage is just about to stock Optimax down here in Plymouth. My car is a MY99 WRX STI Type-R. I am sure I have read somewhere on Scoobynet that a MY99 ECU will recalibrate itself to a new type of fuel within 30 miles without having to do a ECU reset. Can anybody confirm wheather this is true or not?
Cheers,
Craig.
Cheers,
Craig.
17 April 2002, 12:49 PM
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I was under the impression that all scooby ecu's learn on an ongoing basis and make ignition timing adgjustments accordingly !
my 93WRX certainly feels as if it learns after I change octane ...
my 93WRX certainly feels as if it learns after I change octane ...
17 April 2002, 01:53 PM
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It will learn but very slowly. An ECU reset is the quick route to advance for the older ECUs. The newer ECU's can take a couple of tanks and the MY01> learn on the fly (straight away).
Matt
Matt
17 April 2002, 03:08 PM
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Phew ! I thought DaveW was implying that not all did....and so I thought I was going bonkers because I'm sure I've felt the differences of the three octanes available !
Nice one !
Alex
Nice one !
Alex
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17 April 2002, 07:43 PM
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Alex,
Sorry for that mate, didn't mean to worry you. With the earlier models it is definately better to do a ECU reset to remove any history of bad fuel. I even do it on my MY99 which learn a lot faster than the older ECUs.
DaveW
Sorry for that mate, didn't mean to worry you. With the earlier models it is definately better to do a ECU reset to remove any history of bad fuel. I even do it on my MY99 which learn a lot faster than the older ECUs.
DaveW
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