Anyone have these maps defined in 94170715?

These are from 96530706 versions...

<table name="Ignition Unknown Map (warm-up?)" category="Main Map Ignition Settings" address="61c9" type="3D" swapxy="true" scaling="Timing">
<table name="Load" address="6910" type="X Axis" elements="19" scaling="Load"/>
<table name="RPM" address="68de" type="Y Axis" elements="20" scaling="RPM"/>
</table>

<table name="Initial Cranking IPW vs Coolant Temp" category="Global Fuel Settings - Startup" address="5b3a" type="2D" level="2" scaling="TimeTCOMPCrankingHack">
<table name="Engine Temp" address="69f4" type="Y Axis" elements="11" scaling="Temp"/>
</table>

I am trying to convert from 96530706 to 94170705. I can't seem to get rid of the lean condition after initial startup when in my neighborhood. Happens between 1500 and 2250 and the car just falls on its face.

 

Just zero out the "Percent Low Temp Timing Trim vs Coolant Temp table"

This will stop the - timing that occurs at warmup. The car will take a little longer to get to operating temp.

 

I had lowered it to 50% previously, but decided to put it at zero last night. Have not flashed it onto the car yet though. Thanks for the tip! This is on E85 so cold starts are always fun!

I noticed the Peripheries are different between the 9653 and 9417 ROMS. Any changes that need to be made from your experience?

 

The periphery settings are vastly different. You do not have to do anything to the 9417 peripheries to get the car to run well. I do recommend disabling p0300 though.

 

Thanks, took care of the p0300, first thing.

 

The picture and arrow that Jorge points to is not a "stock" settings for the 94170015 base Map. So are the settings that Jorge list, are those tables rescaled?

The temperatures listed on the left are not acurate.
These are the stock ISCV values listed in the tempurature scaling:

 

Post the XML for that table. I want to make sure you have it correct. It does not look like it is set up properly.

 

Zero'd out the "Percent Low Temp Timing Trim vs Coolant Temp table" and still the same issue.

1) Car starts on the first turn of the key, 40 degrees this AM, idles for a bit then then the idles drops. As the idle drops it doesn't stop at 1000 RPM, as indicated in the ROM, it just keeps dropping until stall.

2) Car falls on its face between 1500-2250 after start up. WB shows very lean. Within 2 minutes the car runs fine. I suspect it is only when the coolant is below XX temp, but can't figure the setting that controls it.

I thought it was within these tables that are not defined in the 9417 ROM, not sure though.
These are from 96530706 versions...

<table name="Ignition Unknown Map (warm-up?)" category="Main Map Ignition Settings" address="61c9" type="3D" swapxy="true" scaling="Timing">
<table name="Load" address="6910" type="X Axis" elements="19" scaling="Load"/>
<table name="RPM" address="68de" type="Y Axis" elements="20" scaling="RPM"/>
</table>

<table name="Initial Cranking IPW vs Coolant Temp" category="Global Fuel Settings - Startup" address="5b3a" type="2D" level="2" scaling="TimeTCOMPCrankingHack">
<table name="Engine Temp" address="69f4" type="Y Axis" elements="11" scaling="Temp"/>
</table>

 

OK since I just noticed you are running e85....you may want to lower the ISCV tables like others have suggested. Lower them to reduce the amount of air at idle.

 

Here are the warmup and start definitions for 94170715.....

<table name="Ignition Unknown Control (warm-up?)" category="Warmup Settings" address="61b6" type="2D" level="2" scaling="uint8">
<table name="Engine Temp" address="67bc" type="X Axis" elements="8" scaling="Temp"/>
</table>

<table name="Start IPW latency mcsec" category="Global Fuel Settings" address="1569" type="1D" level="2" scaling="McSec"/>

<table name="Injector Cranking Enrichment IPW Adder (Main)" category="Main Map Fuel Settings" address="56ae" type="2D" level="2" scaling="TimeInjCranking">
<table name="Coolant Temperature" address="67bc" type="Y Axis" elements="9" scaling="Temp"/>
</table>

<table name="Injector Cranking Primer Enrichment" category="Main Map Fuel Settings" address="3810" type="2D" level="2" scaling="uint8">
<table name="Coolant Temperature" address="67d8" type="Y Axis" elements="11" scaling="Temp"/>
</table>

These also work for the stock 94170015 rom.

The Warmup Enrichment appears to be an adder but I am not certain it if it adds fuel or timing.

The Ignition Unknown Control is exactly that "unknown". No one seems to know what it does.

The Start IPW Latency msec should be set to match your 14v injector scaling value. Do not put in the decimal points. Example....my 14 v scaling values is 0.792 so the Start IPW Latency msec is 792. Notice no decimal point.

Hope this helps.

 

Another thing to do for bad cold idle is to log what load cells you are in at idle. In most "tuned" cases the idle areas are messed with. The point here is to make sure you are correctly tuning the correct idle cells.

Increased timing at idlel hurt cold idle if the "Low Coolant Temp Timing Trim" is still being used. Thus, you can still keep this table active so long as you adjust it accordingly to allow you car the ideal idle cells situation. I found that simply zeroing out the table and/or zeroing out the "Percent low Temp Timing Trim vs Coolant Temp" table effectively eliminated the lean condition at idle/cold driving.

The negative pull of timing helps to rapidly warm the cat and quickly get the car up to operating temps. As most of us do not run a cat, the "Percent low Temp Timing Trim vs Coolant Temp" table is pretty much pointless.

 

Yeah, E85 is a bit of a pain, but worth it in the long run. For the startup IPW Latency I changed the scaling to MS from mcsec to match the 14v scaling. Just removed that and set the table like your example. (0.744 = 744)

Here is a screen shot of my "Low Coolant Temp Timing Trim" and "Warmup Enrichment Load vs RPM" table. I have not adjusted either, but the Warmup vs RPM table has interesting numbers in the low load and RPM areas that I am experiancing pain in on initial take-off.

Anyone know what controls the use of this table? I do not see a warmup flag.

 

The Warmup Enrichment Load Vs RPM is not correct. It is defined differently in 9417 than in 9653.

<table name="Warmup Enrichment vs RPM" category="Warmup Settings" address="36fe" type="2D" level="2" scaling="Percent (128)">
<table name="RPM" address="64d6" type="X Axis" elements="14" scaling="RPM"/>
</table>

 

To control the Low Coolant Timing temp trim

<table name="Percent Low Temp Timing Trim vs Coolant Temp" category="Global Ignition Settings" address="41dc" type="2D" level="2" scaling="Percent255">
<table name="Engine Temp" address="681a" type="Y Axis" elements="8" scaling="Temp"/>
</table>

 

This is how it is setup in my xml from V7 thread:

<table name="***Warmup Enrichment Load vs RPM" category="Global Ignition Settings" address="60c1" type="3D" level="1" scaling="uint8">
<table name="Engine Load" address="66f2" type="X Axis" elements="14" scaling="Load"/>
<table name="Engine Speed" address="6982" type="Y Axis" elements="8" scaling="RPM"/>