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First, change the oxygen sensor and the air filter. Clear the codes and see if the idler air sensor code comes back.

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Q: If both the idler air sensor and the oxygen sensor shows malfunctioning which should be replaced first on a ford contour 95?
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Will an oxygen sensor make a car lose power?

A malfunctioning oxygen sensor can cause the engine to be low on power.


Does the coolant sensor need to be replaced if there are no leaks and the coolant level is fine?

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