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When you change the oil and oil filter.

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Q: When to replace air filter on Ford Focus?
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How do you clean 2005 Ford Focus air filter?

replace it


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I was looking in the 2006 Ford Focus owners manual and it shows that the air filter is a non - serviceable part . The air filter is designed to last the life of the vehicle . A Ford technician can check the diagnostic system to see if there is a possibility of an excessively dirty air filter


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