Tire Pressure Monitor fault

slow07pony · Nov 22, 2007

I just put new wheels on and now I'm getting a tire pressure monitor fault when I start up..the indicator light will flash off and on randomly as well. Anyone else have this happen with 20" wheels?

Maza4ever14 · Nov 23, 2007

yeah my 07 does the same thing. i find myself adding air to it every week

bluecar · Nov 23, 2007

When you got your new rims, what happened to those little blue things tied strapped to the inside of your original rims? You have to get new ratcheting bands and install them to your new rims. The reason you are getting a fault message is because the TPMs weren't reinstalled with your rims.

slow07pony · Nov 23, 2007

bluecar said:
When you got your new rims, what happened to those little blue things tied strapped to the inside of your original rims? You have to get new ratcheting bands and install them to your new rims. The reason you are getting a fault message is because the TPMs weren't reinstalled with your rims.

No little blue things, but the brake clips didn't fit with the new wheels...

Thanks for the input, looks like another trip to the dealer.

GusinCA · Nov 23, 2007

Is the tire pressure monitor standard with the 08 Mustang?

kkdoughboy · Nov 23, 2007

Mine does the same thing with my 20's. They were factory installed that way?! I have to hit the reset button every time I start the car. Pain in the ass but I just deal with it.

SpartaPerformance · Nov 23, 2007

I know this is going to sound rude but you guys put new wheels on without the TPMS sensors and wondering why the fault light is on??? Who installed the rims without them?

walter · Nov 24, 2007

The wheels that came with the car from the Dealer probably don't have the TPMS sensor in them because it gives me a fault every time I start the car.

slow07pony · Nov 24, 2007

I put them on myself, and thought it was strange there was nothing to disconnect since I'm familiar with the TPM fault on cold days. They came off an 06 GT and he never had any problems, told me it was a "girl thing" and I must have done something wrong so I just had to deal with it...grrr. Maybe some of you can sympathize, I love my car too much to "deal with it" when it tells me there's something wrong!

Kept the fan blades just in case, but I don't really want to put them back on.

Art161 · Nov 24, 2007

slow07pony said:
They came off an 06 GT and he never had any problems,

The TPMS did not become standard equipment until 07.

steedman07 · Nov 24, 2007

My tire presure light came on right after i put my S/C on..Service replaced the sensor, and 2 days later..low pressure light is on again..?? Sounds similiar..i guess ill have them replace it again, but my tire pressure seems fine..

stanmckinney · Nov 25, 2007

I love the fanblades. The sensors were not standard, as already said, until 2007. My dealer had to retrofit some wheels for another customer and had a devil of a time. I don't know if the ever resolved it or not.

billy_tripper · Nov 25, 2007

It will probably be easier for you to just deal with the flashing light. You will have to have a shop dismount all 8 of your tires. There are two ways you can switch the sensors to your 20's. First, if the shop has bands to wrap around the wheels and clips to hook the sensors to the bands then they can put them on the 20's and simply unclip the sensors from the factory wheels and clip them onto the inside of the 20's. If they have the bands, but don't have the clips, they will have to cut the bands off of the factory wheels and use the factory clips that the sensors are already attached to. If they don't have the bands, then you shouldn't be there in the first place. We've done many of them and have never had any problems you just need to make sure they get the bands tight on the 20's. If you try to buy the bands from Ford they will cost you about $50 each plus a ton of labor, but many shops have the banding material to make bands for you wheels and it shouldn't cost much. Most of the cost will be in dismounting, remounting, and balancing all 8 of your tires. Nothing will happen if you just leave them as they are except you having to just deal with it.

slow07pony · Nov 26, 2007

billy_tripper said:
It will probably be easier for you to just deal with the flashing light. You will have to have a shop dismount all 8 of your tires. There are two ways you can switch the sensors to your 20's. First, if the shop has bands to wrap around the wheels and clips to hook the sensors to the bands then they can put them on the 20's and simply unclip the sensors from the factory wheels and clip them onto the inside of the 20's. If they have the bands, but don't have the clips, they will have to cut the bands off of the factory wheels and use the factory clips that the sensors are already attached to. If they don't have the bands, then you shouldn't be there in the first place. We've done many of them and have never had any problems you just need to make sure they get the bands tight on the 20's. If you try to buy the bands from Ford they will cost you about $50 each plus a ton of labor, but many shops have the banding material to make bands for you wheels and it shouldn't cost much. Most of the cost will be in dismounting, remounting, and balancing all 8 of your tires. Nothing will happen if you just leave them as they are except you having to just deal with it.

Thank you for explaining why I should just deal with it It makes a lot more sense now..

drsam · Nov 26, 2007

Been there done this. Mine occurred when i bought 18 inch Steeda wheels. Unfortunately i sold my originals before i knew about the sensors. If you still have the sensors i've heard that you can take a piece of PVC pipe, put all 4 sensors in the pipe, close off both ends and put in a pressure gage and air valve. Pump the pressure up to rec pressure and light will go away. Put the system in your trunk. My tuner will allow me to shut it off one time after starting car and it will not come back on until car is shut off and restarted. Without tuner, it will come back on a few minutes every time u turn it off until it's fixed. I hope they get rid of this 'safety feature'.

Sam

scupking · Nov 26, 2007

What was so hard about checking the pressure manually? My girlfriend has a 06 Monte Carlo LTZ and it always says the pressure is off, the oil is low or something is wrong. I then go and check everything myself and there is nothing wrong. That’s one feature that annoys me about new cars in this day and age.

seal614 · Nov 27, 2007

Nothing like trying to idiot-proof something, and ruining it for all the people with half a brain.

stanmckinney · Nov 27, 2007

I agree with all these statements but I also kind of like having the monitors. Many of us forget to do the routine things we should and checking air pressure is one of them.
Some vehicles will tell you when the oil needs to be changed. I usually just keep up with the miles, but a reminder can't really hurt, can it?

Art161 · Nov 27, 2007

seal614 said:
Nothing like trying to idiot-proof something, and ruining it for all the people with half a brain.

That's my philosophy too, BUT my TPMS light came on and possibly kept me out of trouble. I pulled over, looked at all the tires, and everything seemed fine. Then I took out the tire pressure gauge that I carry in the car. The left rear tire was low (22 psi) because of a screw that was too close to the sidewall for tire repair. I do check the tire pressure fairly regularly, but something like this can happen between the routine checks.

Five Oh Brian · Nov 28, 2007

I don't like the TPMS in my 07 GT, but it has saved me once already. I used to drive commercial trucks, so I'm in the habit of doing a walkaround every time I get in my car to look at tires, mirrors, and glass. You can't always see that a tire is starting to go low and I picked up a screw in a tire earlier this year. Sure enough, TPMS tripped a light, I pulled over, checked with my tire gauge, and it was right.

A friend of mine with an 06 Mustang (no TPMS) ruined a tire about a month ago as he doesn't check his tires regularly, had a low tire that got so close to the rim that it chewed up the tire before he figured out he had a problem. Now, shame on him for not checking, but most people don't.

When I go to the dragstrip, I leave the factory front wheels and tires on, but put on a different pair of rears with drag radials (and no TPMS). Just having the fronts keeps the idiot light from tripping! I was sure that I was going to see the idiot light flashing the whole day at the track, but it's fooled the system by having two up front.

Tire Pressure Monitor fault

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