1jz/2jz swap guys, cruise afr's?

[Nkelley]

Looking to see what you guys are seeing for cruising afr's around 70mph in 5th on your 1 or 2j swapped s chassis. Mostly just curious about those of you still on stock ecus. I'm seeing pretty rich cruising condiitons. Not sure if its just me or everyone on a stock ecu not using the the Toyota fuel pump computer.

[fliprayzin240sx]

What do you see?

[Nkelley]

9.5:1 sometimes 10. Everything under 60 runs how I would expect, normal afr's.

[[email protected]]

Holy shit. That is pretty damn rich.
Has it been tuned before on a different setup? Probably won't matter much since cruise is cruise (off boost)

[Nkelley]

Yeah I don't understand it. I've checked out everything. It's got a new tps, new coolant temp sensor, new vvti solenoid and I've tried another ecu an maf and got the same results. I've also done multiple boost leaks and there's nothing there. I don't know anyone who has one running on a stock ecu to compare with.

And what I find odd is that below 60 I can cruise at a steady rate and I see around 15 ish and 12.5 in boost and 14.7 at idle. I'm really leaning towards the missing fpc. Just wondering what you guys are seeing.