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Bank1 unstable fuel trim

How rich are you running at idle? You may need to re tune. What do your AFRs look like when you do a pull to redline? The ECU will go

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain
Bank1 unstable fuel trim

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12-05-2022, 10:00 PM	#3 (permalink)
ihaveashihtzu Base Member Join Date: Jun 2018 Location: Sacramento Posts: 36 Drives: 08 G35, 11 370 Nismo Rep Power: 46	How rich are you running at idle? You may need to re tune. What do your AFRs look like when you do a pull to redline? The ECU will go into open-loop mode which ignores the short term fuel trims (they should read 100% during this time). Last edited by ihaveashihtzu; 12-05-2022 at 10:08 PM.

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