Question about Mercedes-Benz GL 450

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I've filled front tires to 32 and back to 38 and reactivated tire pressure sensor and light is still on... Mbz gl450

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If your using a tire pressure guage to check the pressure, it my not be 100% accurate, try putting more air in the front tires

Posted on Apr 03, 2011

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The tire pressure sensor might be going bad so replace it might solve the issue .

Posted on May 21, 2011

  • Thomas Campbell
    Thomas Campbell May 21, 2011

    The tire pressure sensor might be going bad so replace it might solve the issue .

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3 Answers

What is tire pressure for 17-inch wheels?


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Ok i know that the pressure should be 32 PCI but does honda odyssey 2012 have this in display in the car with my current PCI in the tires?


You read the tire sidewall for max pressure

inflate to 4# less that is it

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1960's long gone manufacture specs they show

There hasn't been a tire in 15 years I would run at 32 lbs

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You are right, the pressure sensors can be affected by temperature. If its below 10 Degrees there is a chance they will malfunction, I had a similar problem on my Jeep Wrangler and it required a heated garage for an immediate rectification. Alternatively, some tire shops have a computer which can communicate with the tire pressure sensors and reset the sensors once they determine that the correct air pressure has been applied to the tire.

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TPM light stays on. All 4 tires have 26 lbs of air. What is recommended tire pressure?


32 psi is the usual recommended pressure but you may have to fill the tires to 35 psi to make the TPM system reset. That's how most systems recognize that you have serviced the tires. Most TPM systems will indicate low tire pressure around 26-28 psi.

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I was driving in the snow to work after driving about 45 minutes the svc tire monitor popped up on the radio when I check the tire pressure info the front tires showed what they were and the back drivers...


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1 Answer

Tire pressure light came on. the pressure measured 30 in both front tires, so I put air to make them 32. Both rear measured at 30, but the light comes back on.


The battery might be dying in one of the sensors, despite still giving a pressure reading. You can either go to have the sensors tested to check their battery status, or just wait until the sensor that has the dying battery finally gives out and you have it replaced.

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I put air into my two front tires last night. THen my "check right rear tire pressure message comes on when I start the vehicle and the pressure reads 53 lbs even though a manual rire gauge shows 32...


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Replace the sensor or ignore the light and keep check on the tire pressure.
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What is the correct front and rear tire pressures for a 1999 Z24 Cavalier convertible. Our driver side door was replaced and the sticker is missing.


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