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How many o2 sensors does a echo have?

Updated: 10/21/2022
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14y ago

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Two. One before, and one after, the catalytic converter. The one before the catalytic converter (closer to the front of the car) is more critical and usually first to be replaced, although both have a recommended replacement interval of 100,000 miles.

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14y ago
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Q: How many o2 sensors does a echo have?
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