08 Yaris 'S' Turbo Build

[06YarisRS]

Great to hear your DBW issues appear solved. I've been busy trying to fix my 'new to me' 07 Yaris RS, but have been enjoying driving my 2zr turbo hatch a fair bit. Basically, when I get frustrated with the '07, I go for a drive in the '06.

I haven't done more investigating into an ECU for my turbo car. I have been reading a bit about the ECU Master DET3. It has a "Fuel Implant Mode", where it controls the factory injectors in a batch fire sequence. I'm probably years away from building my engine for more power. As I said earlier, I'm happy with my current power, just want it a bit safer and would prefer additional fueling for knock control in closed loop. It really sounds like the DET3 could provide me with what I need for less money and possibly easier wiring, since I already have the FIC wired. Here is a segment from an article I'm linking. I think this Zach guy works for ECUMaster.

https://www.supraforums.com/threads/...e-blue.961346/

The DET3 is designed to do several things and can be installed two different ways. The first way is simply to intercept the MAP or MAF signal and the crank position sensor signal to allow you to modify fuel and timing. This also allows for MAF to MAP conversion for engines like the 7M and USDM 2JZ, as the DET3 can generate the appropriate output using a table referencing its internal MAP sensor. In this mode you can also control boost and one other power output channel such as meth injection, a shift light, etc. You also have a few analog inputs that you can use to monitor various channels and use them to modify fuel and timing.

The second method of installation is to install the DET3 in what's called "Fuel Implant" mode. In this case, the injectors are driven directly by the DET3's output channels and it's used as a standalone fuel controller. This ties up both output channels on the DET3, so you lose the ability to control boost. You can still adjust ignition timing. This mode requires more tuning and wiring than the basic installation.

Do you think this is a viable option for me if I'm happy with everything else and just want closed look fueling control?

I'm also interested in what mods you did to the fuel pump assembly to accept the 340 pump. Also, did you convert from a returnless system?