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Discussion Starter #1
I recently replaced an EGR sensor so that I could pass my state's vehicle inspection program.

The sensor was replaced and I went to the testing center. The vehicle failed and I was told it was because the vehicles readiness monitors were not set and that it usually takes the vehicle to run through a certain driving cycle(s).

Can some tell me what Ford Focus driving cycles would be or how to get the monitors reset?

Thanks.
 

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Premium Member
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Ewww.... those are complicated, and every time you reset your computer by removing the battery terminal you have to go back through them.

First is one that required idling for 4 mins. Then there's one where you must drive at 45mph in top gear for 10 minutes. Those are the only two that I know, but I remember reading about them, shoot this question to the Technical Chat forum and you'll get better results than here in General Car Chat.
 

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The Librarian
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13,116 Posts
Moved to "Ford Focus Technical Chat"...

Here's the drive cycle...good luck. [;)]
http://www.obdii.com/drivecycleford.html

Biggest thing after an ECU reset, is to let it idle for at least 3-5 minutes.
I'm talking, start it - and step away...don't touch the gas or anything.
 
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