Downstream 02 sensors, wiring connectors?

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Sep 7, 2016 | 10:37 AM

jasttn

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Joined: Sep 2016

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Model: Cherokee

Downstream 02 sensors, wiring connectors?

Does it matter which connector on the downstream 02 sensors is connected to which sensor? Rebuilt motor now getting P0161 code. Could I have reversed the plugs, would that make any difference?

Sep 10, 2016 | 05:16 PM

97grand4.0

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Joined: Nov 2015

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From: syracuse ny

Year: 1997

Model: Grand Cherokee (ZJ)

Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims

Quote:

Originally Posted by jasttn

Does it matter which connector on the downstream 02 sensors is connected to which sensor? Rebuilt motor now getting P0161 code. Could I have reversed the plugs, would that make any difference?

FAr as I know, the downstream O2 only job is to report on the efficiency of the cat converter. If I am right then the only consequence of reversing the plugs on them, if that is even possible as they may be keyed, is that it will report on bank 1 when it means bank 2, etc.