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11-21-2016, 01:58 PM
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#1 |
    
Drives: 2010 2SS/RS L99 IBM silver stipes Join Date: Dec 2015
Location: K.C. Kansas
Posts: 1,329
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TPMS might be bad?
Okay. So, today I go to drive my car and I get a TPMS light and it says the right front is only at 19 PSI. All the others are at 29. I drive it, and it doesn't pull one way or they other. Could this be a faulty sensor? Anything else I should try?
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2010 Imperial Blue w/ Silver stripes 2SS/RS L99
Mods = Not enough.... |
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11-21-2016, 02:06 PM
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#2 |
 
Drives: 2014 2SS RS, 6 sp man Join Date: Feb 2016
Location: Marlton, NJ
Posts: 461
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I would check the tire pressure and not expect it to pull one way or the other.
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11-21-2016, 02:08 PM
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#3 |
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Drives: 2010 2SS/RS L99 IBM silver stipes Join Date: Dec 2015
Location: K.C. Kansas
Posts: 1,329
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I just did a relearn. Didn't do anything like check the tire pressures or add/remove air. Just let it set there, and voila! Back to normal. Weird
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2010 Imperial Blue w/ Silver stripes 2SS/RS L99
Mods = Not enough.... |
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11-21-2016, 03:59 PM
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#4 |
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Drives: 2010 2SS/RS L99 IBM silver stipes Join Date: Dec 2015
Location: K.C. Kansas
Posts: 1,329
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Well..... to it back out and it's on again. Could my sensor be going bad? Can I reset it?
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2010 Imperial Blue w/ Silver stripes 2SS/RS L99
Mods = Not enough.... |
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11-21-2016, 05:18 PM
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#5 |
Drives: '18 SS 1LE Join Date: Jul 2016
Location: Jax, FL
Posts: 405
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Sensor COULD be going bad, iirc, they have batteries in them that die eventually (if i'm wrong, somebody please correct me.)
But, check the actual tire pressure with a gauge. If the pressure is not what the DIC is telling you, then it's probably a sensor going bad. |
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11-21-2016, 05:48 PM
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#6 |
Drives: 2011 ss Join Date: Sep 2015
Location: E-TX
Posts: 764
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Yep. Sounds like the sensor is crapping out. I would definitely manually check the pressures when you get a low pressure light.
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11-21-2016, 06:00 PM
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#7 |
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Drives: 2010 2SS/RS L99 IBM silver stipes Join Date: Dec 2015
Location: K.C. Kansas
Posts: 1,329
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How hard are they to swap out? Do I have to take it to a tire shop, or can this be done by myself? Sorry, new to the whole TPMS thing
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2010 Imperial Blue w/ Silver stripes 2SS/RS L99
Mods = Not enough.... |
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11-21-2016, 06:49 PM
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#8 |
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Drives: 2010 1SS Join Date: Aug 2015
Location: Bayville, NJ
Posts: 936
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Did you check the pressure as asked already? Had the same with the cooler weather and it was a slight pressure adjustment needed..
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2010 1SS LS3, Black, 235/250, .621/.615, 114 + 4, Kooks Stepped Headers, 3.91's, Bo White PTB, Flowmaster Mufflers, Cold Air Industries CAI, Apex Scoop & Windshield Washer Relocate, SLP Wheels, Skip Shift Eliminate, Barton Flat Stick, OEM HID/Halos, Dyno Tuned by ECS
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11-21-2016, 07:12 PM
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#9 |
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Drives: 2010 2SS/RS L99 IBM silver stipes Join Date: Dec 2015
Location: K.C. Kansas
Posts: 1,329
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I can check tomorrow. For the life of me I can't find my pressure gauge. Also, it has hydrogen? Whatever they put in with the green valve stems. So, it shouldn't have went down 10 PSI over night.
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2010 Imperial Blue w/ Silver stripes 2SS/RS L99
Mods = Not enough.... |
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11-21-2016, 07:18 PM
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#10 | |
Drives: 2011 RS Join Date: Apr 2011
Location: Florence New Jersey
Posts: 1,125
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Quote:
 Did you ever think that your tire has a puncture of some sort?
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11-21-2016, 07:20 PM
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#11 |
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Drives: 2010 2SS/RS L99 IBM silver stipes Join Date: Dec 2015
Location: K.C. Kansas
Posts: 1,329
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I don't think I did it correctly. I just did it with DIC and went to relearn and sat there for a minute. Then it went away and all 4 were back to normal pressure.
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2010 Imperial Blue w/ Silver stripes 2SS/RS L99
Mods = Not enough.... |
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11-21-2016, 07:29 PM
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#12 |
     
Drives: Miss Con Ception Join Date: Aug 2016
Location: Chicagoland
Posts: 2,998
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Your TPMS have 5 year batteries, so expect 5-7 years of life.
Shop on the 'net for new ones. The tires have to be broken down to replace them, so I see a tire shop in your future. P.S. Your tires should be 36psi cold.
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2011 1SS/RS LS3 CGM
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11-21-2016, 07:46 PM
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#13 | |
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Quote:
Did you actually check the tire pressure to see of it was low ?  When you do a relearn on your car you need to let at least 5 psi out of each tire so that the car beeps at each tire as you let the air out after you hit the rest button .Or you need the relearn tool . Good luck
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 Mods, K&N CAI ,VTC , GM Perf Axleback Exhaust, Elite Eng CC and CSS, GM Strut Tower Brace,Carbon Fiber Anvil Spoiler,ASC T5 Splitter,Gen5diy Foglight kit. |
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11-21-2016, 08:13 PM
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#14 | |
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376 cubic inches of fun
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Quote:
All gasses lose pressure at the same rate, about 1 psi per 10 deg F. It's called the ideal gas law, as per your general science class in the 7th grade. Also, the green cap means you have nitrogen in your tires. Hydrogen is highly flammable. Nitrogen in your tires means either you or previous owner fell for a scam aimed at people who don't know the ideal gas law. And by the way, chances are, if one of your tires is down, you have a nail in it. The only good thing about the nitrogen fill is that the bottled nitrogen has very little moisture in it. This does affect tire pressure if you are a racer and the air in your tires reaches 212 F. That's not gonna happen in every day driving. PS: your cold tire pressure should be around 36 lbs. It's at 29 'cause you didn't put more air in when the weather got cold. |
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