NefMoto > Technical > Tuning > Smoke limit EDC16 VW Jetta 1.9TDi 2008 (BXE)
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Author Topic: Smoke limit EDC16 VW Jetta 1.9TDi 2008 (BXE)  (Read 14775 times)
melodic
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« on: April 08, 2012, 06:16:59 AM »
I am trying to increase smoke limit, but no results.  Huh
18ab98,18ad76,18af54,1d69b4,1d6b92,1d6d70 - lambda based smoke limit map?
18a3f4,1d6210 - MAF smokemap?
192d28,192f6c,1931b0,1c6350,1c6594,1c67d8 - MAP smokemap?
I want to increase smoke limit to 330 nm, but now i have only about 280-290 below 3000rpm. (see log) WHY?
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lulu2003
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« Reply #1 on: April 08, 2012, 12:27:43 PM »
most EDC16 usually have only lambda based smoke maps f(rpm,air load in mg). lowering these values will help but don't mess with the DPF/FAP
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lulu2003
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« Reply #2 on: April 08, 2012, 02:10:07 PM »
take a serious look at: these four 13x16 maps:
1d69b4,1d6b92,1d6d70
and(!) 1d67d6
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melodic
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« Reply #3 on: April 17, 2012, 09:58:11 PM »
1d67d6 what is it? lambda?
axes maf vs rpm?
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lulu2003
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« Reply #4 on: April 18, 2012, 04:32:01 AM »
 lambda based smoke maps f(rpm,air load per cylinder in mg).
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melodic
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« Reply #5 on: April 20, 2012, 10:19:29 PM »
Quote from: lulu2003 on April 08, 2012, 02:10:07 PM
take a serious look at: these four 13x16 maps:
1d69b4,1d6b92,1d6d70
and(!) 1d67d6
I`ve tryed to reduce these maps by 15%, but no results (
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lulu2003
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« Reply #6 on: April 21, 2012, 03:29:36 AM »
probably you run into other limiters?!
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melodic
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« Reply #7 on: April 22, 2012, 03:47:02 AM »
Quote from: lulu2003 on April 21, 2012, 03:29:36 AM
probably you run into other limiters?!
No. It is smoke limit. See the log.
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lulu2003
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« Reply #8 on: April 22, 2012, 05:42:21 AM »
wow, I wish I ever had this details of logging when doing BMW diesel.... Wink

Indeed it looks like smoke map limits.
Increasing boost is no option?
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melodic
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« Reply #9 on: April 30, 2012, 10:27:49 PM »
It is maximum boost on low rpm.
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lulu2003
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« Reply #10 on: May 02, 2012, 04:04:41 AM »
can you provide your latest mod?
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lulu2003
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« Reply #11 on: May 02, 2012, 04:29:41 AM »
Quote from: lulu2003 on April 08, 2012, 02:10:07 PM
take a serious look at: these four 13x16 maps:
1d69b4,1d6b92,1d6d70
and(!) 1d67d6

you find the same structure also around $18AD76
check it. also there are 2 3D maps before these Lambda based maps. which could be some kind of fuel based (mg) smoke limiting. I guess in VAG EDC16 you can switch if lambda or mass based limits?
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melodic
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« Reply #12 on: May 07, 2012, 07:26:36 PM »
18a9ba - no result  Sad
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lulu2003
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« Reply #13 on: May 08, 2012, 04:04:40 AM »
sorry, I think I cannot help anymore. no experience with VAG.
did you try to ask in the ecuconnection forum? they are very kind to answer some diesel specific questions.
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melodic
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« Reply #14 on: May 08, 2012, 08:58:28 AM »
thank you anyway, lulu
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