Oxygen Sensor Wiring

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Oxygen Sensor Wiring

Postby celi703 » Wed Aug 09, 2017 11:56 pm

Does anyone have a oem oxygen sensor female connector? The reason is ever since I replaced the oxygen sensor the stock wiring had one bad connection and I decided to get rid of the connector and crimp the connections. Now the car will idle rough during start up every time with the check engine light on. But will idle normal after two or three minutes and the light will go away. Does anyone have any suggestions whether the connections should be crimped or soldered?
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Re: Oxygen Sensor Wiring

Postby underscore » Wed Aug 09, 2017 11:58 pm

Either should be fine if done well, and sealed properly. What CEL code does it have?
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Re: Oxygen Sensor Wiring

Postby celi703 » Thu Aug 10, 2017 12:09 am

Code 21 but only comes on for about two or three minutes with rough idle. Then smooths out and the light goes away. The sensor is new and changed it because of the check engine light before and now it does the same thing so I think it has something to do with the wiring.
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