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o2 sensor wiring

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Old Apr 3, 2016, 07:40 PM
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o2 sensor wiring

i have an 05 evo 8 mr the rear o2 sensor got ripped out of the connector at the end of the sensor and i need to know which wires go with which. on the sensor side i have 2 black wires a blue and a white on the car side there is a red with yellow stripe a blue with green stripe a white and a black. if any one could give me some info on this i would appreciate it because i need to get the car inspected and in order to pass i need to get rid of the check light for o2 heater circuit
Old Apr 4, 2016, 12:50 PM
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Any one got anything on this?? I've been searching and any diagrams I find are for a universal o2 sensor
Old Apr 4, 2016, 03:45 PM
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O2 sensor: Black heater, Black heater, Blue signal, White ground
Car harness: Blue/yellow heater, Red/yellow heater, White signal, Black ground
green stripe is probably yellow
The following 2 users liked this post by barneyb:
ileakoil_mr (Apr 5, 2016), Jonno99 (Nov 22, 2020)
Old Apr 4, 2016, 04:32 PM
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Originally Posted by barneyb
O2 sensor: Black heater, Black heater, Blue signal, White ground
Car harness: Blue/yellow heater, Red/yellow heater, White signal, Black ground
green stripe is probably yellow
Thanks dude I'll give this a shot tonight
Old Sep 10, 2017, 07:30 PM
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I am in the same boat but my situation is that the wire got cut between connector and rear o2 sensor. same thing 2 black 1 white and 1 blue.


My question is does it matter if the blacks are switched around. If so any way of knowing which black goes to which black.
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