Originally Posted by
PittPaz
That makes sense to me. I did some tuning of the inj pw values based on eq error and with some minor adjustments I've been able to get it a lot closer.
ID's data jumps from 44.3 mg to 443 mg of fuel mass. I also had the last 4 rows of the Inj PW vs Fuel Mass table set to the 443 mg row values since my table is larger than the ID provided table. Since it looks like the fuel mass in PE falls between the 44.3 and 443 mg rows, I interpolated the axis values and added three rows of resolution between those ID provided values with interpolated pw values to start (they would've been treated linearly anyway). That gave me a little more resolution to play with when tuning the pw values. With that, I've been able to get the commanded pretty close.
Now the delay is still there. I'll have to try a couple of your recommendations to see if I can get rid of the delay. It might be the O2 sensor placement, but I'm not sure. Before the ID injectors, actual EQ dropped pretty fast when entering PE.
As far as the PE Aircharge and PRatio tables go, that's because they're based on the stock values. I created a spreadsheet that allows me to enter a new stoich point. From that new stoich point and the stock PE tables, it does the math to produce the PE adder values for the new stoich point to match the resulting commanded lambda to the stock commanded lambda. It's just a starting point until I get the injectors dialed in, but I figured following stock commanded lambda would be a safe starting point while switching over.