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Old 01-30-2010, 02:21 PM   #1
Spookpur
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Member#: 218621
Join Date: Jul 2009
Vehicle:
11 WRX

Default AccessPort AFR Question

Hey guys, I just installed a stage 1 93 octane map on my 09' WRX. Flash went fine and everything seemed normal. I took it out today and was playing around with the live data tools, I noticed that when I depressed the clutch or let off the gas all the way, the AFR would jump from the 12-14.8 up to 20.5 for a couple seconds and then back to normal. Is that a normal thing as the engine is cutting fuel briefly? Also, are the Cobb OTS maps suppose to eliminate the hanging rev feature during low speed shifts? It's still there and wanted to confirm this. I made sure the map is correct, shows the stg. 1 93 octane as both reflash and realtime, also did the AP firmware updates before the initial flash.

Thanks!
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Old 01-30-2010, 02:30 PM   #2
arghx7
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Default

Quote:
the AFR would jump from the 12-14.8 up to 20.5 for a couple seconds and then back to normal. Is that a normal thing as the engine is cutting fuel briefly?
Yes

Quote:
Also, are the Cobb OTS maps suppose to eliminate the hanging rev feature during low speed shifts? It's still there and wanted to confirm this.
What is this feature you are referring to?
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Old 01-30-2010, 02:34 PM   #3
Spookpur
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The 08-09 WRX's have a tune issue where the factory ECU briefly causes RPMs to hover around 2000 when your in 1st or 2nd gear and depress the clutch. Annoying as hell but it's there for people that are just learning to drive and to help prevent stalling. I thought a reflash would make it go away....
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Old 01-30-2010, 02:55 PM   #4
Spookpur
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Actually just found some info on here at http://forums.nasioc.com/forums/show...1643806&page=3 post #58 sounds like me. Also, a few posts down, they start talking about what may be causing it and why a reflash may not be eliminating it.

On a side note, stage 1 is great from what I can already feel driving. Starting to feel closer to my EVO IX I sold.
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