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#1
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GC8 ecu reset (proper way!)
Classic (GC8 - JECS) ECU Reset
1.Ensure engine is at normal operating temperature, turn engine off 2.Locate the two ECU connectors, located under the steering column and consist of a black plastic male and female connector, and a green male female connector 3.With the ignition OFF connect black to black and green to green. 4.Turn on ignition, do not start the engine, depress the accelerator pedal to full throttle, then return it to the half-throttle position and hold for a few seconds, and then release (Engine Check lamp turns on). 5.Start engine and then drive for at least one minute, keeping road speed above 11 Km/h. At this point the check engine light should start to flash the all clear signal (steady 1/2 second interval flashes). If the check engine light does not flash, or indicates some other sequence, there is a fault present in the system (this post tells you how to read the codes: http://www.perth-wrx.com/vb/showthre...615#post406615 ) 6.Stop the car and turn off the engine. 7.Disconnect the black and green connectors. 8.Job complete - ECU is now re-set.
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#2
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Apart from your other post about about the ECU re-learning the ignition timing, what does resetting the ECU achieve?
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#3
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Resetting the ECU clears all stored codes and puts it into a full diagnostic cycle to check if any new codes will pop up.
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RS Liberty - Because WRX's are only good for parts... |
#4
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As the Subaru Ecu's are self learning (to varying degrees), it also clears any stored 'bad habits' learned & stored by the ecu.
Such as running regular unleaded or getting a bad batch of fuel, which may cause the ecu to permanently pull some ignition timing.
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#5
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aaah that sounds good. So it would be worth doing this plus the quick re-learn at every service, or only if it feels a bit sluggish?
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#6
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I used to do it every oil change, just as part of doing the job.
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#7
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What about for a flashed ecu, like ecutek or something like that Ross? Would it be affected by this?
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Air is for pussies. |
#8
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No it won't change the tune Alex.....
Mrt says it's a o.k. and that a bad batch of fuel / running regular ulp WILL have the ecu running minimum 'happy factor' (minimum timing) in the case of Ecutek.
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#9
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Cheers for the info, im nearly due for another service so ill give it a shot
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#10
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is it worth doing a a RX.?
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[DRKNITE]-NISSAN GQ PATROL [BOOSTER]- GC8 STI |
Tags |
ecu, gc8, proper, reset |
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