igo300
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« on: November 11, 2015, 06:49:40 PM »
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I've just fitted a set of Bosch EV14 970cc (Part #0280 158 040) and am struggling to get them to run well -
krkte
tvub
temin
temina
have all been adjusted in the normal fashion but fuel trims are too rich
I keep winding KRKTE down (even to .0150) and still pulling 15% at idle.
Any assistance would be appreciated.
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nyet
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« Reply #1 on: November 11, 2015, 07:15:01 PM »
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bad maf? O2? overscaled maf?
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ddillenger
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« Reply #2 on: November 11, 2015, 07:22:11 PM »
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bad maf? O2? overscaled maf?
AT IDLE (and he's scaling KRKTE) What are you using for TVUB with these? Are you sure your factors are right? |
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
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igo300
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« Reply #3 on: November 12, 2015, 12:00:45 AM »
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KRKTE 0.029193
TVUB @ 4bar
7.04 3.6991
10.07 1.8536
12.04 1.4242
14.08 1.0695
17.88 0.6988
TEMIN 0.2187
TEMINVA 2.18
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ddillenger
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« Reply #4 on: November 12, 2015, 04:15:22 AM »
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Try these values:
3.2697 1.6189 1.1575 0.7494 0.5387
8, 10, 12, 14, 16
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
Email>PM
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igo300
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« Reply #5 on: November 12, 2015, 04:32:15 AM »
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I have an RS4
Can I adjust the axis or is it used elsewhere?
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nyet
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« Reply #6 on: November 12, 2015, 12:55:38 PM »
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I have an RS4
Can I adjust the axis or is it used elsewhere?
Yes, you can safely adjust the axis of TVUB.. |
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« Reply #7 on: November 12, 2015, 10:14:04 PM »
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KRKTE 0.029193
TVUB @ 4bar
7.04 3.6991
10.07 1.8536
12.04 1.4242
14.08 1.0695
17.88 0.6988
TEMIN 0.2187
TEMINVA 2.18
I got those Injectors on RS running RS6 turbos on E85. Why is your krtke so low??? How did you come to this value? |
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igo300
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« Reply #8 on: November 12, 2015, 10:20:01 PM »
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I'm running 98RON
Stock RS4 - flowing 480cc @ 4bar KRKTE = .067488
Bosch 970cc flow 1120cc @ 4bar - 480/1120 x .067488 = .0289
Your running 30-40% more fuel so you should be 0.0289/0.6 = 0.0482 or thereabouts
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igo300
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« Reply #9 on: November 12, 2015, 10:25:15 PM »
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Try these values:
3.2697 1.6189 1.1575 0.7494 0.5387
8, 10, 12, 14, 16
I've loaded these in and will chalk up some miles and report back. |
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« Reply #10 on: November 12, 2015, 11:47:54 PM »
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I'm running 98RON
Stock RS4 - flowing 480cc @ 4bar KRKTE = .067488
Bosch 970cc flow 1120cc @ 4bar - 480/1120 x .067488 = .0289
Your running 30-40% more fuel so you should be 0.0289/0.6 = 0.0482 or thereabouts
¨ Ahh Ok, seemed a bit low - just woke up. Not that high but thereabout. I got my fueling perfect. I can post my TVUB after work if DDs doesnt work. |
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igo300
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« Reply #11 on: November 12, 2015, 11:53:23 PM »
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¨
Ahh Ok, seemed a bit low - just woke up.
Not that high but thereabout. I got my fueling perfect. I can post my TVUB after work if DDs doesnt work.
That would be great. Thank you |
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igo300
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« Reply #12 on: November 13, 2015, 02:01:13 AM »
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I've loaded these in and will chalk up some miles and report back.
Unfortunately no luck LTFT pulling 21% and 23% DTC Fuel trims too rich Same problem I had on the original TVUB numbers Seems to me something is preventing KRKTE from going low enough. I reset KRKTE to 0.0445 and put FKKVS to 0.65 as a workaround to get me down to the coorect volume. This works but I'd prefer to know what is stopping KRKTE from accepting 0.0289 |
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« Reply #13 on: November 13, 2015, 06:32:00 AM »
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Can you do a run and post a log? Do you have wb02? Any logs on that?
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« Reply #14 on: November 13, 2015, 11:41:27 AM »
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I dont know if this will sort your problem, but this works for my car. I belive you got some other issues. Send a log or your file if you want.
TVUB @ 4bar
7.04 2.800
10.07 1.800
12.04 1.299
14.08 1.000
17.88 0.699
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