XDF Progress
- Thread starter Jake@MHD
- Start date
@jyamona can you add the ability to disable fault 2D2E to the public XDFs? I8AOS in particular
Please use the table "DTC Master" and look for 2D2E (it's about halfway down the long list). Make sure to remember it's stock val, as they vary from code to code.
There’s been no updates here for a while im hoping that’s because everyone is busy finding useful stuff...
The Fuel (Start) table has been added
I'm a little confused by the table, are the axes temperature and RPM?
If I'm having ~15 seconds of stumbling on a dead cold start at ~70*F (my old V8bait tune didn't do this with whatever table changes Justin made) on a BMS BEF I adjust the corresponding cells higher, right?
Yep, coolant temp in C is the Y axis, RPM is X axis. I think I used about a 15% increase over the stock values at that temp, works great for me.
It is stumbling during cranking, or in the 15 seconds following it firing up? Different tables for each. Fuel (Start) is for cranking, Warm-up Enrichment for after. I know the "stock" warm-up enrichment is in the FlexFuel XDF (I added an additional for the E85 version). I forget if I back filled it to the regular XDF. If you are comfortable with XML you can copy it over.
I looked at both XDFs, the warm-up enrichment table is in the flex fuel one but you did forget to backfill the regular one.
Any chance you could update the regular XDF? I tried looking at the code but I have no idea what I'm doing with that. lol
Any chance you could update the regular XDF? I tried looking at the code but I have no idea what I'm doing with that. lol
I tried it. Copied everything from <XDFTABLE uniqueid="0x15A9" flags="0x0"> to </XDFTABLE> for 2 sections:
Warm-up Enrichment Factor
Warm-up Enrichment Factor ECT
and pasted it at the very end of the IJE0S (standard units) XDF. Here's what I see in TunerPro, did I get it right?
Warm-up Enrichment Factor
Warm-up Enrichment Factor ECT
and pasted it at the very end of the IJE0S (standard units) XDF. Here's what I see in TunerPro, did I get it right?
Attachments
You did, nicely done
The "ECT" one is just if you want to change the axis, but I would leave that alone. Table values I would go with around 1.45 at the -30*C, 1.33 at 0*C and taper to 1.00 at the far right 81.75*.Sweet baby Jesus I'm going to do this to my XDF as well, I know I had been asking for it for a long time. I checked the IJEOS xdf when flex fuel came out and didnt see the table but didnt check the flex fuel XDF... now I'll have to go do that.
I did look at the flex XDF just for curiosity, and I saw that some of the tables changed size or location. It seems this enrichment table didnt though ( between a flex fuel bin and a normal bin)?
I did look at the flex XDF just for curiosity, and I saw that some of the tables changed size or location. It seems this enrichment table didnt though ( between a flex fuel bin and a normal bin)?
Table size change in the FF XDF was just fuel (spool) IIRC. Load to torque 2 and 3 were removed, and fuel bank 2 / fuel scalar bank 2 were repurposed for use as the E85 tables. I think there were a few more tweaks I'm forgetting off the top of my head.
But anyway, you are good to grab the warm-up enrichment from the regular fuel folder. I'll get around to updating the regular XDF one of these days haha
Jake,
I know that you have identified the cooling modes, have you seen into the cooling tables in more detail?
The reason that I am asking, is that it seems that the auto trans people with upgraded radiators are experiencing excessively long warm ups or never warm ups in cold weather. My guess is that the minimum flow rate for the pump/ thermostat is set too high, and possibly the ECU is planning on a certain BTU dissipation across the radiator for a given water temp and ambient, so it is generally running too much water flow.
Any thoughts on this?
EDIT: Update to this specific issue, I am pretty sure that my warmup times were due to having the sport cooling mode selected in MHD without realizing it
I know that you have identified the cooling modes, have you seen into the cooling tables in more detail?
The reason that I am asking, is that it seems that the auto trans people with upgraded radiators are experiencing excessively long warm ups or never warm ups in cold weather. My guess is that the minimum flow rate for the pump/ thermostat is set too high, and possibly the ECU is planning on a certain BTU dissipation across the radiator for a given water temp and ambient, so it is generally running too much water flow.
Any thoughts on this?
EDIT: Update to this specific issue, I am pretty sure that my warmup times were due to having the sport cooling mode selected in MHD without realizing it
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The minimum pump flow can be altered, but if the thermostat were functioning correctly, it shouldn't matter one bit. Pump flow or exchange capacity make no difference, the thermostat is the final word in how much coolant moves out of the rad to the block, primarily based on physical coolant temp out of the head. Even if the pump were full speed, the thermostat should limit flow to the motor completely/partially when coolant is below temp.
Since this is relevant to some of the interest and discussion here, @RSL has identified and shared at least one fan control table that would allow someone to set the fan to run at a specified duty cycle regardless of engine temp:
Thanks. Good catch!Since this is relevant to some of the interest and discussion here, @RSL has identified and shared at least one fan control table that would allow someone to set the fan to run at a specified duty cycle regardless of engine temp:
