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Dave Noll · 02-07-2023, 11:42 PM

That's powers the heater for the sensor. Without the heater, the sensor needs the exhaust to get it hot enough to produce a signal. Which is how the original single wire O2 sensors worked. Any damage to the sensor gets back to the age old argument, does leaded gas actually ruin O2 sensors?

02-07-2023, 11:42 PM	#2
Dave Noll Senior Member Join Date: Nov 2007 Location: Div. 6, Eastern, WA Posts: 709 Likes: 2,671 Liked 238 Times in 111 Posts	Re: Racepak o2 sensor That's powers the heater for the sensor. Without the heater, the sensor needs the exhaust to get it hot enough to produce a signal. Which is how the original single wire O2 sensors worked. Any damage to the sensor gets back to the age old argument, does leaded gas actually ruin O2 sensors? __________________ Dave Noll, EF/S ,?/SA 6526 Last edited by Dave Noll; 02-08-2023 at 04:37 PM.