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Author Topic: 650cc injectors 2002 Audi A4 Quattro 1.8t  (Read 5233 times)
2002b6guy
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« on: January 19, 2017, 08:55:54 PM »

Hey guys I am having some problems with tuning these injectors I can get it to idle but I am running really rich. Does anyone have any suggestions? I have changed KRKTE TO .06 and have adjusted tvub. This car is returnless fuel system and I think that's what is causing it. Let me know thanks
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TijnCU
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« Reply #1 on: January 20, 2017, 12:05:07 AM »

How did you arrive at a krkte value of 0.06?  I bet you are over 100cc's off....
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yxx499
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« Reply #2 on: January 20, 2017, 05:07:19 AM »

For correct TVUB , check injectors spreadsheet.

What FPR do you have?
About KRKTE... for 650cc injectors, the KRKTE is  ~ 0.050129 (@3bar)..
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_nameless
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« Reply #3 on: January 20, 2017, 12:05:19 PM »

For correct TVUB , check injectors spreadsheet.

What FPR do you have?
About KRKTE... for 650cc injectors, the KRKTE is  ~ 0.050129 (@3bar)..
his car is a static 4 bar so even less
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If you are in the market for a tune and would like the ease of downloading and flashing a dyno tested tune for a fair price check out https://instatune.sellfy.store/
2002b6guy
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« Reply #4 on: January 20, 2017, 04:59:22 PM »

My car is 3bar
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2002b6guy
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« Reply #5 on: January 20, 2017, 05:00:02 PM »

I don't have a FPR. It's located in my fuel filter
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_nameless
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« Reply #6 on: January 20, 2017, 09:44:44 PM »

I don't have a FPR. It's located in my fuel filter
Your car is static 4 bar (not pressure on rise) returnless fueling. You may want to actually know what you are tuning before just making calibration changes
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If you are in the market for a tune and would like the ease of downloading and flashing a dyno tested tune for a fair price check out https://instatune.sellfy.store/
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