Stock/Built Motor - Boost and Durability - Toyota Yaris Forums

01-19-2011, 03:34 PM

#11

Focus_Sh1ft

Drives: 08 Yaris Turbo; 06 tC Turbo

Join Date: Jan 2010

Location: New Jersey

Posts: 875

Quote:

* I am throwing a CEL that is saying my 1st o2 sensor is running lean AND rich, that will most likely change when i go performance tune

That makes four of us that have had the AFR sensor flip out after seeing boost for awhile.

Definitely a strange problem, I suspect you guys that are tuning in closed loop may eventually have problems of the car randomly switching to open loop like I did. Would definitely recommend keeping an eye on open loop/ closed loop status.

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