Question about 1990 Dodge Shadow

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Broker wire to my O2 sensor

90 Dodge Shadow 2.2L Non-Turbo I was replacing my O2 sensor and discovered a broken 16 ga white wire on the connector plug (car side). I have searched everywhere for its other side. Where should I find this wire leads to?

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  • Dodge Master
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Try to trace the white wire that leads to the o2 sensor by unwrapping the harness that is in the vicinity of the o2 sensor. Try to fiind the wire that way. That's the way an electrical shop would do it. Resplice the wires together. You've done most of the hard work. Good luck to you. TBroker wire to my O2 sensor - prev.gif next.gif --- Oxygen (O2) Sensor OPERATION All Fuel Systems Fig. 1: A standard oxygen (O2) sensor, as shown, is used in all fuel injection system covered in this manual
Fig. 2: On non-turbocharged engines, the oxygen sensor (arrow) is mountedBroker wire to my O2 sensor - 86734p07.jpgust manifold 86734p07.jpg
The oxygen (O2) sensor is a device which produces an electrical voltage when exposed to the oxygen present in the exhaust gases. The sensor is mounted in the exhaust manifold or turbocharger outlet and is electrically heated internally for faster switching when the engine is running. When there is a large amount of oxygen present (lean mixture), the sensor produces a low voltage. When there is a lesser amount present (rich mixture) it produces a higher voltage. By monitoring the oxygen content and converting it to electrical voltage, the sensor acts as a rich-lean switch. The voltage is transmitted to the engine controller which changes the fuel injector's pulse width. The injector changes the mixture.

Posted on Jul 05, 2010

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  • Dodge Master
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First check how wires have your sensor, and then compare with this Bosch O2 Guide.

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Posted on Jul 05, 2010

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