2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Check tire pressure light

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Old Nov 11, 2007 | 05:39 PM
  #1  
miltoneagle's Avatar
miltoneagle
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Joined: Mar 2007
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Default Check tire pressure light

Im getting a check tire pressure lightbut when I checked all the tires they were all fine.

I have an 87 octane tune on there, anyone think that could be the problem?

Other than that im gonna have to take it into the shop under warranty and there gonna bitch about the tuner.
Old Nov 11, 2007 | 05:43 PM
  #2  
Nuke's Avatar
Nuke
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Joined: Jun 2007
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From: PA to KY ('07) to IL ('09) to MS ('10) to FL ('11)
Default RE: Check tire pressure light

10minutes totalto remove the CAI and reinstall the old one, tops. Then 2 minutes to reload the stock tune...
Old Nov 11, 2007 | 06:25 PM
  #3  
2007GT/CS's Avatar
2007GT/CS
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Joined: Oct 2006
Posts: 889
From: Ohio
Default RE: Check tire pressure light

Tune has zero to do with the TPMS. Signals from the wheel based sensors come into the smart junction box (in the passenger kick panel) and are interpreted there. You cannot change this programming without specialized equipment.

Dunno if the dealership will otherwise bitch about your tune. Just an important safety tip: If the dealer decides to reflash your computer while they have it - it can royally screw up your programming. I think www.brenspeed.com has the warning and how to in order not to run into this.
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