ECUflash CeddyMod v1 (EcuFlash)

[Ceddy]

Is the 8th Gen Galant VR4 the same setup as the Legnum? Did any make it to the US?

And do they have a CAS or Distributor? I think the low end 8G Galants have a Distributor and a funky dual cpu ecu. (A distributor doesn't allow timing control)


The difficulty in porting to another H8 ecu is my mods are over 1 KB of ASM code, with about 8 hooks, and all the limits that need disabling. So its not something that can be done in a few hours. And other H8s have a small user base compared to DSMs, and I get very few donations for my DSM Mods. If enough people wanted my mods ported to another ecu, I'm sure I could be bribed. But otherwise I probably won't be thinking about other ecus until I get my DSM Mods finished.

 

[Scientist]

yes 8G like the Legnum. the 2.5 twin turbo cars

 

[Hubbard 0]

Well my tuning frustrations continue. I feel like I made some progress today which I'll get to a bit further down. I started off by scaling my injectors, I supposedly bought FIC 850s used. I included a picture of all the writings on each injector in case someone can interpret them.

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So, using Ceddy's instructions on his site here (http://ceddy.us/?page_id=379) I got started. Using a scale of 850 and the proper latencies, I flashed it on. It barely idled, ran real rough, and my wideband was maxed out at full lean. I used the "InjectorScalingEVO" option since I was getting my injector values from an Evo guide. Since these both sucked I started dropping the scaling. Using his method of comparing AFR Map values to actual wideband I ended up with a Injector Scale of 496 and here are the latencies I used.

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With these settings my AFR Map matches wideband pretty closely and regular driving is fine.

However, something is clearly wrong for me to have these values. I've tried everything under the sun to get normal settings and it just doesn't work. I thought I might have 650 injectors so I made a map with values for that and it was still off. Is there anything I'm obviously doing wrong here? I'm thinking I might next try to borrow some known good injectors or stock ones to see if those can be tuned properly.

Also, after doing all this tuning I pulled back into the garage and let the car idle for 20 minutes to get my idle trims. I had activity from O2 voltage and O2 sensor feedback, but never any values from LTFTs. My intake temps, coolant temps, etc. were within spec for closed loop operation too.

I have logs of my WOT pulls if needed. I just really want to get this ironed out before I put my 50 Trim on.

 

[Ceddy]

Make sure to reset your ecu when installing new injectors.
If you don't it will use your old fuel trim corrections, and could be adding or subtracting a lot of fuel in the wrong direction.

Also make sure Periphery0, bit 1, is set = 1. In old versions I had this labeled as "Disable Rear O2", but it also disables the fuel trims sometimes.

If they are FIC 850s, 839 on DSM Injector Scaling would be good place to start.

Edit: your Latency is only +.105 at 11.72v. You want nearer +.315 to +.330.
That alone will change you AFR three or four points at idle.

 

[jrohner]

My injector scaling AND latencies ended up way smaller than I was expecting too, but I now have my wideband AFR's within 2-3% of the map AFR values almost everywhere (I disable closed loop cause I run really lean cruising). I'm now starting to mess with the MAF settings as I'd like to get the AFR's to < 1% off.

 

[Ceddy]

With respect to the Latencys being lower.

The 98/99 ecus use a newer, better design injector driver.
Jeff from DSMChips checked the datasheets, and the newer drivers can operate 100 uS faster and have less voltage drop. So if you are using deadtime values that came from a pre-98 ecu, you may have to lower them a little.

 

[Hubbard 0]

Make sure to reset your ecu when installing new injectors.
If you don't it will use your old fuel trim corrections, and could be adding or subtracting a lot of fuel in the wrong direction.

Also make sure Periphery0, bit 1, is set = 1. In old versions I had this labeled as "Disable Rear O2", but it also disables the fuel trims sometimes.

If they are FIC 850s, 839 on DSM Injector Scaling would be good place to start.

Edit: your Latency is only +.105 at 11.72v. You want nearer +.315 to +.330.
That alone will change you AFR three or four points at idle.

The ECU has been reset plenty of times since the injector install. They've been in the car for months now.

I just checked Periphery0, bit1 and it was "0". I fixed that.

Will that change in latency richen up at idle? With my previous scalings in that area the car runs as lean as the gauge will go.

Should I add .210 - .225 to all my latencies then or should I just make that change at 11.72v and then adjust the rest of the curve to match?

 

[Ceddy]

The ECU has been reset plenty of times since the injector install. They've been in the car for months now.

I just checked Periphery0, bit1 and it was "0". I fixed that.

Will that change in latency richen up at idle? With my previous scalings in that area the car runs as lean as the gauge will go.

Should I add .210 - .225 to all my latencies then or should I just make that change at 11.72v and then adjust the rest of the curve to match?

You should add to all values. Or restart with a stock table and add .315 to all values.

It should richen up idle a lot. Think around .065 is one AFR point at idle.
The amount your latency is off would make it run at 18:1 instead of 14.7:1.

 

[motomattxxx]

Is there a reason ecuflash wont read from the ecu in my stock 99 spyder (2.4)? I can compare data with the "compare" button, it scrolls down through and says basically they dont match (expected) but if I try to read the ecu I just get the pop up box with the "read" button darkened and the "cancel" highlighted, and cancel is the only one I can use, of course I dont want to write to the ecu because its being used in a stock spyder, I just wanted to make sure everything works before I go any further (just got my tactrix cable), I can datalog in evoscan fine too.

 

[VETTE_50_TH]

I cannot find anything on deutschwerk 1600cc injectors. Anyone have these and have them scaled?

 

[GSXeclipsePSI]

I had my 680s scaled to 509cc and my new 1200s are scaled to 739cc.

But I have not made any changes to the battery comp table I am using the settings from a evo site.

 

[VETTE_50_TH]

I had my 680s scaled to 509cc and my new 1200s are scaled to 739cc.

But I have not made any changes to the battery comp table I am using the settings from a evo site.

Why did you scale them down so much?

 

[GSXeclipsePSI]

That's what it took to get them to match the wideband/afr maps

 

[VETTE_50_TH]

That's what it took to get them to match the wideband/afr maps

I bet it idles pretty good then. Again, anyone know the deadtime on 1600's?

 

[Ceddy]

I cannot find anything on deutschwerk 1600cc injectors. Anyone have these and have them scaled?

Do you know what injectors the deutschwerk 1600s are based on?

The latencies vary a lot depending on the brand they use to make the injector.


Are you sizing for gas or E85?

 

[VETTE_50_TH]

I can size them for either. But i would rather for e85. They are bosch injectors if im not mistaken. They are orageish on top and have stickers with different numbers on them. They look similar to the bosch if they arent.

 

[Ceddy]

I can size them for either. But i would rather for e85. They are bosch injectors if im not mistaken. They are orageish on top and have stickers with different numbers on them. They look similar to the bosch if they arent.

Are they High Impedance? i.e. Your removed the resistor box.


Did you get a datasheet with them? I think they send a sheet when you buy them.

 

[VETTE_50_TH]

Are they High Impedance? i.e. Your removed the resistor box.


Did you get a datasheet with them? I think they send a sheet when you buy them.

No the resistor box im still using. I bought them used. Ill email them.

 

[Ceddy]

Orange top like this->

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Latency should be around +.425 - .450

Sizing I would try 1552 for gas, or 941 for E85. But those are just guesses.


If you have a hard time with idle (you will running gas):
Raise idle speed,
Run Full Time Open Loop.

 

[VETTE_50_TH]

Yea just like that. The idle speed being the BISS? I dont have a fiav or a ISC. Both are removed. Full time open loop is in ceddy mod correct.

 

[GSXeclipsePSI]

Full time open loop is in ceddy mod correct.

Yes it is

 

[95blackGsTurbo]

I should have all the goodies ready to post on the Ford 1600cc injectors with speed density and ECU controlled boost by gear (speed) ready by the end of the week.

 

[the_mork]

Nice, boost control is the last (big) advantage that evo8 ecus have over H8 IMO. That would mean any future build of mine would likely use a 98/99 ecu.

 

[Ceddy]

Yea just like that. The idle speed being the BISS? I dont have a fiav or a ISC. Both are removed. Full time open loop is in ceddy mod correct.

Full Time Open Loop is in the Periphery Bits.

Idle Speed is in the Desired Idle RPM tables.

What is your reason for no ISC? Non-Stock TB?
The ISC is useful on a street car.

You might be setting yourself up for cold start problems with 1600s, E85, and no FAIV and ISC.

Nice, boost control is the last (big) advantage that evo8 ecus have over H8 IMO. That would mean any future build of mine would likely use a 98/99 ecu.

Boost Control isn't added yet. I just added "SD 2.0", which the Evos don't even have yet. SD 2.0 adds one 3D VE table, and the ability to log VE% correction, as well as the option for Boost Axis for the Fuel and Timing maps.

I'm still waiting on testing and feedback on SD 2.0 before I start adding Boost Control.

 

[VETTE_50_TH]

Full Time Open Loop is in the Periphery Bits.

Idle Speed is in the Desired Idle RPM tables.

What is your reason for no ISC? Non-Stock TB?
The ISC is useful on a street car.

You might be setting yourself up for cold start problems with 1600s, E85, and no FAIV and ISC.




Boost Control isn't added yet. I just added "SD 2.0", which the Evos don't even have yet. SD 2.0 adds one 3D VE table, and the ability to log VE% correction, as well as the option for Boost Axis for the Fuel and Timing maps.

I'm still waiting on testing and feedback on SD 2.0 before I start adding Boost Control.

The car isnt going to run in the winter i have convinced myself. I have 93 in the car right now and once we jumped the mpi to get the car to crank, it started right over. I know thats a big difference between e85 but just saying. It is a stock TB. But i hate having them go bad. Plus, once the car is set up, i shouldnt get any idle surge.