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I think you got your downstream O² sensors mixed up (wire length) they both work the same way by measuring 0-1.0 wolt references.
@@danp7463 ??? Huh
@@danp7463 can you more to what you're talking about?
@@partsshooter the job of a post cat O² sensor is to compare the time frame of 0-1 volt reading(s). If it's not smooth or too close to the readings of the pre cat O² sensor it will trigger a PO420, PO430 Catalyst below efficiency threshold.
@danp7463 what are you talking about? Dude, the video is about the HEATING CIRCUIT. I beg you... watch the video
I’m bout to change my o2 sensors are they both downstream coming from the manifold?
@cose415 downstream sensors are post catalytic converter
I think you got your downstream O² sensors mixed up (wire length) they both work the same way by measuring 0-1.0 wolt references.
@@danp7463 ??? Huh
@@danp7463 can you more to what you're talking about?
@@partsshooter the job of a post cat O² sensor is to compare the time frame of 0-1 volt reading(s). If it's not smooth or too close to the readings of the pre cat O² sensor it will trigger a PO420, PO430 Catalyst below efficiency threshold.
@danp7463 what are you talking about? Dude, the video is about the HEATING CIRCUIT.
I beg you... watch the video
I’m bout to change my o2 sensors are they both downstream coming from the manifold?
@cose415 downstream sensors are post catalytic converter