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Old 11-18-2012, 08:21 PM   #1 (permalink)
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erractic idle with tune

Ok so I need some help everyone. Im new to the tuning part of this and im tired of my SK2 tb doing this erractic idle. I know that it has something to do with my tune. The reason I know is bc I can this tune "Injen SRI, Vibrant RH+HFC, TSX TB, Vibrant Gen2 Exhaust, RDX Injectors" from flashpro tuning and the erractic idle is not there. But as soon as my car cracks vtec it falls on its face and doesnt pull at all here. But I can run the tune "Injen CAI, Vibrant RH w/ HFC, Vibrant Exhaust " and the erractic idle is there and its really bad, but the car pulls great. any help with this would be great. thank you

mods are
sk2 tb
sk2 im
sk2 cai
sk2 fuel rail
Invidia header
sk2 70mm mega power exhaust
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Old 11-18-2012, 08:40 PM   #2 (permalink)
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you need to get a real tune bro. thats the only thing that will help your situation.
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Old 11-18-2012, 08:44 PM   #3 (permalink)
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its just money right now man i didnt know if there is a fix that i could do to fix the promblem. i want to get tuned its just money is going other places right now you know.
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Old 11-18-2012, 08:50 PM   #4 (permalink)
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if you get e-tuned its only 200 bones. and its worth every bit of your dollar
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Old 11-18-2012, 09:08 PM   #5 (permalink)
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yea that is what im looking at right now ive heard alot about it so we will see. just was hoping i guess for a quick fix till the end of this month to get it right
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Old 11-20-2012, 06:01 PM   #6 (permalink)
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if the good idling tune falls on it's face in vtec you're probably really lean up there. Run that tune and datalog a pull. It's not hard to add WOT fuel with flashpro manager.

mind posting a datalog of either the tune with the silly idle doing it's thing, or the tune that goes flat in vtec?

but I gotta say it again... you need a real tune. You've got a lot of mods that are letting more air into the engine, and it's harder to pick a safe basemap that fits your car the farther you get from stock.
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Old 11-20-2012, 08:58 PM   #7 (permalink)
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i think im running to rich. you have to think im at 6000 feet. here is the log hope you can see what is wrong i dont really no much about this stuff so any help is great

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Old 11-20-2012, 09:39 PM   #8 (permalink)
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That is just the cal. Do you have the datalog of the run?
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Old 11-20-2012, 09:45 PM   #9 (permalink)
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try this one maybe that is wht you needed i hope

Last edited by trae$lyfe; 11-23-2012 at 05:48 PM.
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Old 11-20-2012, 10:00 PM   #10 (permalink)
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Datalog's are a .fpdl file
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Old 11-20-2012, 10:05 PM   #11 (permalink)
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well then ill have to do it again i didnt save it right it was the first time ive ever done it and try to save it. i will do one tomorrow
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Old 11-20-2012, 11:57 PM   #12 (permalink)
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ok here is the log srry for the end part a cop got behind me. there is a 3rd gear pull and so just driving. this log so how when i hit vtec my car just falls on its face it seems

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Old 11-21-2012, 09:39 AM   #13 (permalink)
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You're the exact opposite. You are SUPER SUPER lean when you go WOT, like dangerously lean, and when driving around your short term fuel trims are up in the high 40% range constantly, the ecu is working overtime to add loads more fuel to your tune.

Did you change your fuel injectors? The calibration posted above titled "run1.fpcal" is set up for larger 410cc RDX fuel injectors, if you are running stock injectors you need to readjust this.

In flashpro manager load this calibration
Click the "calibration" button
click "fuel"
change current injector size to 310
save the tune and re upload it to your car and make another pull. You should be MUCH better.
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Old 11-21-2012, 11:29 AM   #14 (permalink)
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Ok I will try that and yes I still have my stock injecter in it was just the that was near what I had for mods I was thinking that maybe it would just add a little more fuel. But I will try that thank you
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Old 11-21-2012, 01:40 PM   #15 (permalink)
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new pull with it changed to 310

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Old 11-21-2012, 01:50 PM   #16 (permalink)
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so how does it feel now?
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Old 11-21-2012, 01:59 PM   #17 (permalink)
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It feels a lot better but it's not great but I can drive it now
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Old 11-21-2012, 02:00 PM   #18 (permalink)
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Much better man. I'm not scared now

You've got a lean spot at 4500 - 6000 rpm's under WOT, you can select that area in rows 9 and 10 of the high cam fuel table and add 5-10% to be safer. Besides that, you are safe to go till you get a tune now. The rest of the map in part throttle is a little lean, but it's nothing that short term trims can't handle for a while.
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Old 11-21-2012, 03:08 PM   #19 (permalink)
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I want to say thank you to all of u that have helped. Cars a lot better but can't wait to see how it's going to run once it is tuned
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Old 11-21-2012, 03:20 PM   #20 (permalink)
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anytime

We're all here to help and share info for the good of the community.

enjoy
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