1994 940 Regina 02 sensor
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1994 940 Regina 02 sensor
I need help my o2 in my 940 has gone bad and it's a splice in o2. There's a red white and black wire I'm guessing red is power but I'm lost otherwise all help I would be grateful for thank you for your time
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Joined: Jul 2013
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From: Connecticut
Usually on a 3 wire O2 sensor, the black wire is the signal wire and the 2 white wires are the heater wires. If you buy a replacement Bosch 3 wire kit, it will come with splices and instructions.
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