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FastKatt
PostPosted: Fri May 02, 2008 6:09 pm 
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I got a P0171 code after installing 39# injectors

I changed the IFR based on 31/39=.794871

So, Table/0.795=NewTable

Am I wrong?
Did I have 36# injectors?

Is it just my trims are that far out of whack?

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FastKatt
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PostPosted: Fri May 02, 2008 8:20 pm 
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No one?

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dwntwn
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PostPosted: Sun May 04, 2008 10:28 am 
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What do your trims look like?
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FastKatt
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PostPosted: Sun May 04, 2008 11:29 am 
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They were at +16, not learned yet...
I added 5% to the IFR table, trims still look high, but not learned yet

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dwntwn
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PostPosted: Sun May 04, 2008 1:08 pm 
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fI wonder if those injectors actually flow more like 42.5 # injectors because of our fuel system. Try changing your IFR table to the 42.5 # injectors.
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FastKatt
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PostPosted: Sun May 04, 2008 1:57 pm 
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Well, I added 5%, and looks like I should add an other 5%, I'll see after my drive this afternoon

I guess I get to tune my IFR Table, not just get an easy way out...

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FastKatt
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PostPosted: Tue May 13, 2008 8:28 pm 
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Okay,...
I took some advice to heart when I talked to a few people
I'm redoing my IFR Table with math for 36# vs. 39#
So, 92.3% change
Also, I back-up to my last MAF Table b4 I changed the FIs
We'll see where this leads me

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SS2004CompG
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PostPosted: Wed May 14, 2008 9:45 am 
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Yeah... that would be closer. I'm using 35/39 right now I believe. I think I started with 34.5/39. I then had to do one more offset of about 3-5% I think. There are quite a few places to adjust fuel....

Good luck!

Steven

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