Tpms ?
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Technical Article Contributor
Joined: Mar 2005
Posts: 4,387
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From: OH-IO
Tpms ?
Does any one know if ford puts a tpms sensor in the spare tire?
I got a flat yesterday and went to a gas station and put enough air in it to get me home. When I got home I put my spare on and dropped off the bad one at the tire store to get repaired. I drove to work today and then home agian on the spare and my tpms light never came back on. The light was on yesterday when I had the flat and went out when I aired up the tire. I'm thinking there is a fifth sensor in the spare and as long as the system sees at least 4 good signals, then your golden.
Another possibility is the sensors only send out a signal when the pressure is too low and since I was out off range of the low tire, the system never picked it up and never set off the light.
I got a flat yesterday and went to a gas station and put enough air in it to get me home. When I got home I put my spare on and dropped off the bad one at the tire store to get repaired. I drove to work today and then home agian on the spare and my tpms light never came back on. The light was on yesterday when I had the flat and went out when I aired up the tire. I'm thinking there is a fifth sensor in the spare and as long as the system sees at least 4 good signals, then your golden.
Another possibility is the sensors only send out a signal when the pressure is too low and since I was out off range of the low tire, the system never picked it up and never set off the light.
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Joined: Dec 2003
Posts: 6,550
Likes: 2
From: Mount Airy,MD
They do not put one on the spare. It does take some time for it to come on. A constant above 25mph for about 20 min. If your commute is short or stop and go it might not come on. Eventually you will get a sensor fault and the light will flash 75 times, then come on steady.