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TPMS What Pressure?

Discussion in 'Wheels & Tires' started by stratstablos, Oct 15, 2009.

  1. Oct 15, 2009 at 12:44 PM
    #1
    stratstablos

    stratstablos [OP] New Member

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    I apologize if this has been asked before, but does anyone know at what tire pressure triggers the dash light to come on? It's a 2010 Tacoma double cab, stock tires and wheels.
    Thanks!
     
  2. Oct 15, 2009 at 12:46 PM
    #2
    beastlytaco

    beastlytaco Well-Known Member

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    ibelieve its when it drops 25% below the set pressure of what is deemed safe. ive had mine come on at 19- 21 psi. i run 29 in the front and 30 in the back
     
  3. Oct 15, 2009 at 12:57 PM
    #3
    Jester243

    Jester243 all I wanted was a god dang picture of a hotdog...

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    some of this, a little of that
    Mine just tripped when a tire went below 25 psi. I usually run 35 front and 31/32 in the rear
     
  4. Oct 15, 2009 at 1:15 PM
    #4
    stratstablos

    stratstablos [OP] New Member

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    Mine tripped yesterday which was really the first cold day. The truck is only 3 weeks old. The door placard says 30 psi front and rear. I checked and the 2 front were 28 and the 2 rear were 30. I haven't checked the spare yet though, I'm thinking that may be the culprit.
     
  5. Oct 15, 2009 at 1:40 PM
    #5
    OffroadToy

    OffroadToy old, forgetful, and decomposing

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    I've had my tpms light come on a few times due to temperature changes.
    Checking the spare is a pita since the spare is installed with the valve stem up against the bottom of the truck...have to lower the spare to check the pressure. Does anyone know if you can stow the spare the other way around to where the valve stem is accessible, or has anyone installed a flexible valve stem extension?
     
  6. Oct 15, 2009 at 2:14 PM
    #6
    beastlytaco

    beastlytaco Well-Known Member

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    yeah i had to recently put air in the spare. its really cool how toyota put a winch like system on the spare tire so it just lowers down
     
  7. Oct 15, 2009 at 2:18 PM
    #7
    tacoterra

    tacoterra Batang SMB

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    Mounted mine valve stem down for access.PITA to lower it down everytime you check the air in the spare.
     
  8. Oct 15, 2009 at 2:22 PM
    #8
    beastlytaco

    beastlytaco Well-Known Member

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    yeah i did the same. but when i lowerd it down i thought it was pretty damn cool
     
  9. Oct 15, 2009 at 3:17 PM
    #9
    PT6

    PT6 Who's flyin this M#$*&! outa here?

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    Mine came on last weekend. The truck sat outside at a friends house for a few hours. Temp went down to 34F. All 4 tires were at 30psi when checked.
     
  10. Oct 15, 2009 at 5:47 PM
    #10
    blatant

    blatant Well-Known Member

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    i run 36 to 40 in all tires. keep em even and you'll be fine. psi will be dictated by the type of tires you end up with.
     
  11. Oct 16, 2009 at 4:02 AM
    #11
    FoxySandChick

    FoxySandChick Well-Known Member

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    This is correct, so if yours is set at 29psi (mine was stock) it would come on at around 22psi.

    1st time mine came on it was due to a big drop in the temps.
    Yes you can flip it around without any problems.
     
  12. Oct 16, 2009 at 4:28 AM
    #12
    CanTac

    CanTac Well-Known Member

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    I have just recently put nitrogen in the tires. I am hoping to eliminate the problems this way.

    CanTac

    Hal
     
  13. Oct 16, 2009 at 7:33 AM
    #13
    MassTaco

    MassTaco Well-Known Member

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    You should re-set your TPMS every time you change the pressure in the tires. There's a procedure for it in the owners manual, but I believe you just press and hold the TPMS button under the treeing column with the ignition in the on position.

    This allows you to set the "nominal" value, it will trip when it fall so many PSI lower than this nominal value. Very useful if you don't run the prescribed 29 psi.
     
  14. Oct 16, 2009 at 8:11 AM
    #14
    T0LLPHR33

    T0LLPHR33 Well-Known Member

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    S1N C1TY...(from Hilo, HI)...
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    if you guys check all your tires and the TPMS light is still on...make sure to check the spare tire too...that also has a TPMS. I didn't know about this before until my buddy told me about it now whenever the light comes on I check that tire 1st cause its never used...
     

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