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Title: trying to smooth out idle and partial adaptation Post by: maxXAM on January 10, 2024, 05:35:07 PM here is my story short i got faild injectors on my 2.7t a6 so i bought set of 6 1.8t awp 180hp injectors from ebay these injectors came with 0280156061 oem number
here is the flow rate of these injectors 317cc at ---3bar 366cc at ---4bar i alrady installed them on the car it started right up no issues with the stock krkte and tvub now i changed the tvub and i copied the tvub from the 18t awp file the tvub looks like this 7 10 12 14 17 1.57353 0.95212 0.62141 0.41339 0.27203 and i calculated new krkte =0.08591 kvb=380.86 temin=0.592 at the 032 group i geting these reading adaptation idle bank 1 = 3.8% adaptation idle bank 2 = 3.8% adaptation partial bank 1 = 3.1% adaptation partial bank 2 = 3.1% at 001 group engine speed =720/min coolant temperature = 78.0c lambda control bank 1 =-2.3% lambda control bank 2 =-2.3% so can some one help me here how to smooth out the trims here with these injectors Title: Re: trying to smooth out idle and partial adaptation Post by: aef on January 11, 2024, 04:07:03 AM 0.08591 * 1,03 = 0,0884873 new krkte
why is your kvb 380 when your injectors are 317/366? these trims are only accurate if your vaccuum system and maf is top notch. for idle use fkkvs Title: Re: trying to smooth out idle and partial adaptation Post by: maxXAM on January 11, 2024, 05:38:58 AM Hi aef
can you explain what is the 1.03 I used krkte calculator to calculate the krkte and kvb then i copied the calculated values I don't have boost leak i did the boost leak test but i have an exhaust leak on right down pipe Title: Re: trying to smooth out idle and partial adaptation Post by: ratosluaf on January 11, 2024, 06:06:01 AM 1.03 is 1 + fuel trims....
Title: Re: trying to smooth out idle and partial adaptation Post by: maxXAM on January 11, 2024, 11:58:35 AM ok now i used the stock m-boxe tvub and krkte with the awp 1.8t injectors 366cc ----4bar
stock krkte = 0.09768 stock tvube 7 10 12 14 17 2.00025 1.00813 0.80010 0.70409 0.60808 its looks better now 032 group adaptation idle bank 1 = 0.9% adaptation idle bank 2 = 0.2% adaptation partial bank 1 = 0.0% adaptation partial bank 2 =0.0% at 001 group engine speed =720/min coolant temperature = 78.0c lambda control bank 1 = -0.8% 1.6% lambda control bank 2 = -0.8% 1.6% Title: Re: trying to smooth out idle and partial adaptation Post by: aef on January 12, 2024, 01:10:51 AM Use the TVUB for these Injectors. If they are AWP injectors then use the AWP TVUB.
If your fuel trims in group 032 are 3% this means your ecu is adding 3% fuel because your krkte is 3% too small. Thatswhy you have to add 3% to krkte and this is my "old krkte * 1.03 = new krkte" calculation If you have a leak in the downpipe then your lambda sensor will possibly read wrong values because there is air from the outside and not just the exhaust gases from the combustion chamber. If you lambda control is dancing now this is because you used mbox tvub with awp injectors. If your injectors flow 366 because your have 4bar fpr then set your kvb to 366. regards Title: Re: trying to smooth out idle and partial adaptation Post by: maxXAM on January 12, 2024, 01:32:39 PM Okay i replaced the TVUB with the 1.8TAWP TVUB values, added 1% to the krkte
Old krkte* 1.01 Now at the 032 Idle adaptation bank 1 0.2% Idle adaptation bank 2 0.6% Are these values looks okay Short fuel trim are switching (-/+) lean to reach --- reach to lean |