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Old 03-11-2012, 11:43 PM   #1
K20 power 06
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High INJ

HEy guys I've been tuning my a/f the past couple days to avoid running lean and I noticed my INJ sensor is running really high. Not the duty cycle but the INJ. It is running a tad bit over 10 ms at wot during datalogs. Is this normal or should it be lower than that?

Also when tuning the specific rpm rows should I be tuning 1-10 (I'm NA) or can I get away with just tuning the higher columns like 7-10?

Let me know guys I wanna do some datalogs tomorrow with my new exhaust!

Last edited by K20 power 06; 03-11-2012 at 11:58 PM.
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Old 03-11-2012, 11:57 PM   #2
K20 power 06
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My last couple logs I tuned both single or double cell rows and it made the fuel curves intersect, so I know I need to tune a more rectangular fuel section

Last edited by K20 power 06; 03-12-2012 at 12:15 AM.
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Old 03-12-2012, 10:05 AM   #3
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Any thoughts ?
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Old 03-13-2012, 04:57 AM   #4
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Don't all speak up at once lol
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Old 03-16-2012, 07:47 PM   #5
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It isn't really a "sensor", it is just the ECU reporting how long it keeps the injector open. It is measured in time... what makes you think 10 milliseconds is a long time? Don't worry about it.

You should datalog and see how far off the A/F is every where and then touch up the tune where it needs it. Start with the tune that most closely matches your mods. If you don't have anything too unusual, you shouldn't have to tweak that much. Of course, you need to get on a dyno to really get the timing set right, but it is probably "close enough" if your base tune was pretty close to start with.
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Old 03-16-2012, 10:38 PM   #6
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I thought the INJ was high because other datalogs I see have it about half that... Like Conrad's tuning page... I know how to check for my a/f and I dnt need a dyno since I'm not tuning for power yet, just trying to get my a/f to run smoother.

I just don't know wether or not tuning the higher columns will suffice as opposed to tuning all columns
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Old 03-19-2012, 06:38 PM   #7
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Pretty much found my answer. Gonna stick to the higher columns for WOT tuning
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