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j12piprius · 11-30-2015, 02:20 PM

When driving and coasting in neutral, the bank 1 / 1 sensor fluctuates between low & high readings on the Ultragauge, whereas the bank 1 / 2 sensor goes to low readings and stays there.

Is this normal, or is the bank 1 / 1 sensor going bad?

11-30-2015, 02:20 PM	#1 (permalink)
j12piprius Liberty Lover Join Date: Feb 2011 Location: central california Posts: 587 pris prius - '12 Toyota plug in prius 90 day: 71.09 mpg (US) Thanks: 439 Thanked 83 Times in 60 Posts	Oxygen sensors ~ interpreting readings When driving and coasting in neutral, the bank 1 / 1 sensor fluctuates between low & high readings on the Ultragauge, whereas the bank 1 / 2 sensor goes to low readings and stays there. Is this normal, or is the bank 1 / 1 sensor going bad? Last edited by j12piprius; 12-01-2015 at 11:10 AM..