1990 Ford F-150 Q&A

1990 Ford F-150 Question: Oxygen Sensor

Where do the wires from the oxygen sensor go to? -
Answer 1
They go to the Engine Computer here is an article on Oxygen Sensors and what they do http://repairpal.com/OBD-Code-P0130-and-P0136 -
Answer 2
tothe wiring harness to the module -
Answer 3
I think it is also wired to the exsust -
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