Question about 2001 Ford Focus

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Engine light Changed the air filter. Forgot to plug the air sensor back . Engine light turned on steady . Car is running fine once I plugged it back in but engine light is still there . How do you reset ?

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Hi,

Try removing any of the battery cables for at least 15 minutes. Pls be warned though that this will reset the vehicle's computer and would require driving around several times before the computer learns again your driving habits. Additionally, there are some car stereos that would require a code to work again when the battery cable is removed.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 19, 2008

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Posted on Jan 02, 2017

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On a side note: 3 things a automobile needs to run

AIR-make sure you have a clean air filter and your MAF (mass air flow sensor is plugged in) if you pulled your breather to innspect anything, there is a possibility that it came unplugged or you unpluged it and forgot to hook it back up, a car wont start without it being plugged in if equiped

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