G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

What if my "low tire pressure" light is on and...

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Old 12-15-2009, 06:04 PM
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What if my "low tire pressure" light is on and...

I never pumped it up but right now it looks and runs just fine? Could it be just an error on the light being on for no reason? I heard of people having problems with that light, even bringing it into the dealership.
 
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Old 12-15-2009, 06:12 PM
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You made no mention of how many lbs you put in your tires but the book calls for 35 PSI. If you drop below 29 LBS the TPS will show on your dash. There's a good chance you picked up a nail, this is something you shouldn't ignore! With our low profile tires it's impossible to spot which tire is low, they all look the same.... Take your G to the closest tire shop and have it checked out.
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Last edited by gary c; 12-15-2009 at 06:17 PM.
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Old 12-16-2009, 01:25 AM
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my tire pressure light came on a couple days ago..it was on 10psi!!!
i filled it up to about 38 psi and drove it to school and the light turned off...
 
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Old 12-16-2009, 02:22 AM
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so just fill it up to 35 and i should be good?
 
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Old 12-16-2009, 02:31 AM
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yEeeaaa buddy Maybe 39 or 40. Since the maximum is 44
 
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Old 12-16-2009, 03:14 AM
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you have to drive it a little after you fill up and it will turn off
 
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Old 12-16-2009, 03:21 AM
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Correct!
 
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Old 12-16-2009, 04:19 AM
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Originally Posted by TigerKneeCrush
so just fill it up to 35 and i should be good?
yea about 35-38 depending on how long you've driven

i wouldn't recommend anything above that, could cause a stiffer ride and slightly worse tire wear

that is if you're on stock wheels. and like someone else mentioned, you have to drive for a little bit for the TPS to do it's thing.
 
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Old 12-16-2009, 11:59 AM
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35-38 is a good setting
 
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Old 12-16-2009, 01:52 PM
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i just got my G like two weeks ago. the light came on when it was cold out and stayed on. i checked the pressure and it was like in it's 20's so i fill it up to about 35 and the light went away. but it came back on like a day later and has been on ever since. dunno what's going on
 
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Old 12-16-2009, 01:58 PM
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the guy who had the car before me ran it at 40-44 and the tires had very bad wear in the center of the tire tred.

i got new tires and the guy at the tire shop said to stick with 35, now no problems.

for 18in. and 19in. rims i would run 35

17in. i would run 32
 
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Old 12-16-2009, 02:05 PM
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slow leak or air guage you used to fill your tires reading is off.
 
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Old 12-17-2009, 02:53 AM
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ok the light's off you guys. i pumped it up to the 35-40 range
 
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Old 12-20-2009, 08:38 PM
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Every once in a while when I'm driving my tire low pressure light(!) will turn on. it stays on until I turn my car off, then when I turn it back on the lights gone.

what would be causing this?
 
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Old 12-20-2009, 10:48 PM
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I dont know where you live but if your wheels get have a dramatic change in temperature such as it getting cold after it was even normal fall temps the rims can shrink and loose a partial seal allowing air to leak out
 


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