5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

reseting and re-learning my A9L

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Old 11-25-2014, 11:34 AM
  #1  
mikesr4565
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Default reseting and re-learning my A9L

I have been told different ways to first reset then re-learn my A9L computer. Can you guys help me out with the proper way of doing this??? Thank you
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Old 11-25-2014, 02:25 PM
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88 orangepeel notch
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Just disconnect the battery for 5-10 min.

Reconnect, start car and drive it. That's it.

What's your car doing that makes you think the ECM has bad info? Or is this after a new modification you made?

Either way, good luck.
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Old 11-25-2014, 07:08 PM
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mikesr4565
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i have done some new mods. Changed fuel injectors,maf,cold intake. Also my car didn't come with the A9L. I was told you have to disconnect battery with head light switch on for 30 min to truly reset the computer. Then run through a series of different processes to learn it
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Old 11-26-2014, 06:19 PM
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bluebeastsrt
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I'd be interested in hearing these processes you speak of.
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Old 11-27-2014, 12:50 PM
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mikesr4565
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disconnect battery with headlight switch on for 30 minutes
start and idle for 1 min
shut of 10 sec
start engine with all acc. on and idle for 1 min
turn everything off and wait 10 sec
start and hold at 2000rpm for 1 min
shut of for 10 sec
start engine with all acc. on at 2000rpm for 1 min
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Old 11-27-2014, 03:15 PM
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bluebeastsrt
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Never heard that before. You might want to message 64bit or mjr64. They probably have a better understanding of the tuning than most.

Last edited by bluebeastsrt; 11-27-2014 at 03:25 PM.
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Old 11-28-2014, 08:52 AM
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mikesr4565
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ok thank you
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Old 11-28-2014, 04:57 PM
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mjr46
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do a base idle reset after disconnecting battery.....that is if you are trying to reset idle...if not just go drive the car for 20-30 min the KAM will update enough to learn drivibility in that period and will continue to do so the more it is driven under varying circumstances
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