Jeff's DIY turbo build - Toyota Yaris Forums

Desircustoms · 07-12-2020, 01:50 PM

You definitely need to do some logging to see what's really going on. The bucking seems to be a fuel delivery issue, but I'm far from an expert, the logging would help you figure it out, without it it's all guessing...

Yes I've read fried banzai's blog, great info... He says that closed loop tuning is not easy and that you have to disconnect the battery often so your LTFT don't affect your tune.

When I'll have some tuning experience, I'll be able to shim in more.

And how much of a difference between the OEM sensor and your wideband? I'm hoping I can tune with only the OEM sensor.

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07-12-2020, 01:50 PM	#11
Desircustoms Drives: 06 Yaris RS MT Join Date: Jun 2018 Location: Ottawa, Ontario, Canada Posts: 52	You definitely need to do some logging to see what's really going on. The bucking seems to be a fuel delivery issue, but I'm far from an expert, the logging would help you figure it out, without it it's all guessing... Yes I've read fried banzai's blog, great info... He says that closed loop tuning is not easy and that you have to disconnect the battery often so your LTFT don't affect your tune. When I'll have some tuning experience, I'll be able to shim in more. And how much of a difference between the OEM sensor and your wideband? I'm hoping I can tune with only the OEM sensor.