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Old 01-23-2013, 08:34 AM   #9
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Originally Posted by cuke2u View Post
HI, in Europe we have a different system on our Foci's for detecting deflation of a tyre and one that uses the abs system to read the rotation of a tyre, when a tyre deflates its rotational speed will change and then we get the warning. Thus it doesn't matter what size wheel you've got, or tyre for that matter, as once set any changes in the speed of the wheel results in a warning. I think that maybe, for some legal reasons, our system can't be used in your country. Here is Ford's take on it
No we have that system too. Its an older and less reliable system. Takes more of a psi drop to set the indicator off. And if all the tires slowly leak theres never an indicator.

To the OP. Take your car and get the TPMS sensors recalibrated to the car. It'll help a ton. Do it everyday at work and makes a ton of difference.

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