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Follow the large black plastic tube from where it comes out of the air cleaner over to atop the engine where it eventually goes into the fuel rail. There is a hard plastic housing attached at both ends by clamps. Loosen the clamps and remove this hard plastic housing. Inside you will see several fine wires protruding into the tube. THAT is the O2 (oxygen) sensor.
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Diagram of oxygen sensor for 2000 ford focus?
A 2000 Ford Focus oxygen sensor diagram can be obtained from most Ford dealerships. The diagram can also be found in most Ford repair manuals.
Where is the temp sensor on 2000 Ford Focus zetec engene?
Where is the temp sensor on 2000 ford focus zetec engine
You have a 2000 ford focus when you drive it feels like it is going to stall and an engine light comes on?
It is most likely your oxygen sensor
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with the maf sensor
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on top of the thermostat housing.
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It is located before the Calaytic converter
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go to autozone they will check it free
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Defective sensor
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All that you need to do is unscrew if from the suction side and replace it...........
