Recently my car was displaying "tire pressure sensor fault" so i replacd all 4 tire sensors.. literally the day of, it started displaying "low tire pressure" even though the tires were not low. The day after, while driving, the car started to display "tire pressure monitor fault" and I am really at my wits end with this thing! it's not under warranty anymore. either. Any suggestions/help?
Tire pressure sensors are just that, sensitive. If all your tire have the proper pressure and you still are seeing the sensor light and it comes back on after resetting it then the computer sensor monitor is at fault. Unless you can reset your cars' computer you will probably be stuck with going to the dealer for service. Call various other reputable service centers that have certified mechanics before turning out the big green at a FORD dealership though.
SOURCE: tire pressure sensor or gauge
Have you checked tire pressure? It will come on if your tire pressure is just a few pounds low.
SOURCE: My ABS light is coming on what does that mean?
1. check and make sure that your tires are inflated to the correct pressure
2. turn the ignition switch to the ON position. If the low tire
pressure warning light comes on, push and hold the tire pressure
warning reset switch (think the switch is in the glovebox, but not sure) until the warning light turns
off and then release the switch.
3. now press and hold the tire pressure warning reset switch until the low tire pressure warning light blinks three times.
4. initialization is *not* completed until driving at the vehicle speed
of 19 mph or over for more than one hour. the tire pressure monitoring
starts when initialization is completed.
As for the ABS light, that means your antilock brake system has detected an issue such as a block sensor, or a faulty relay, etc.. when this light is on, it means that your abs may not engage when it should, or may engage when it shouldn't.
SOURCE: how to reset tire pressure sensor light on 2007
To reset the tire pressure light you need to get the tool.
You can get the tool here on link below.
http://cgi.ebay.com/ebaymotors/FORD-OEM-TIRE-PRESSURE-MONITOR-RESET-TOOL-TPMS-RESET_W0QQcmdZViewItemQQhashZitem45eed5e149QQitemZ300359737673QQptZMotorsQ5fAutomotiveQ5fTools
SOURCE: Tire sensor fault on our 2006 Ford Explorer after new tires
2006 Ford Truck Explorer
NOTE: The tire pressure sensor training prcedure must be done in
an area without radio frequency (RF) noise. RF noise is generated by
electrical motor and appliance operation, cell phones, and remote
transmitters.
1. Turn the ignition switch to the OFF position
2. Turn the ignition switch to the RUN position three times, ending in
the RUN position. Do not wait more than two minutes between each key
cycle.
3. Press and release the brake pedal
4. Turn the ignition switch to the OFF position.
Sequence:
1- Left Front Tire
2- Right Front Tire
3- Right Rear Tire
4- Left Rear Tire
5. Turn the ignition switch from the OFF position to the RUN position
three times, ending in the RUN position. Do not wait for more than two
minutes between each key cycle.
6. The horn will sound once and the TPMS indicator will flash if train
mode has been entered successfully. If equipped, the message center
displays "TRAIN LEFT FRONT TIRE." Place the magnet on the valve stem of
the LF tire pressure sensor. The horn will sound briefly to indicate
that the tire pressure sensor has been recognized by the TPMS module.
7.Within two minutes after the horn sounds, place the magnet on the
valve stem of the RF tire pressure sensor. NOTE: If the TPMS module
does not recognize any one of the four tire pressure sensors during the
tire training procedure, the horn will sound twice and the message
center (if equipped) will display "TIRE TRAINING MODE INCOMPLETE." If
this occurs, the entire procedure must be repeated from Step 1.
8. Repeat Step 7 for the RR and LR tires. When the tire training
procedure is complete, the horn will sound once and the message center
(if equipped) will display TIRE TRAINING MODE COMPLETE.
This should help. For now, probably all Fords are like this. And I do
not believe that Ford puts sensors in their spares (some GMs do).
Good luck
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