Tire Pressure System not reading right? - Alfa Romeo Stelvio Forum
 
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post #1 of 8 (permalink) Old 08-11-2019, 12:57 AM Thread Starter
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Tire Pressure System not reading right?

Hey Everyone

I have set my tire pressures when cold, in the morning and double checked with
2 different tire pressure gauges. I have gone with 38 PSI all the way around.
Now, in the infotainment when i dial it up, it reads 45psi to 47 psi
How does one go about adjusting/ resetting this.
Is there a fix for this?

Thanks
Cheers
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post #2 of 8 (permalink) Old 08-11-2019, 03:38 AM
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Quote:
Originally Posted by cuz5150 View Post
Hey Everyone

I have set my tire pressures when cold, in the morning and double checked with
2 different tire pressure gauges. I have gone with 38 PSI all the way around.
Now, in the infotainment when i dial it up, it reads 45psi to 47 psi
How does one go about adjusting/ resetting this.
Is there a fix for this?

Thanks
Cheers
Normally it will take a small amount of driving to adjust. Also note pressure will vary somewhat according to tire temperature rising caused by driving.
see

My car : https://www.stelvioforum.com/forum/g...vehicle_id=559

previous Alfa's : Alfa alfetta GTV, Alfasud QV, Spider 2.0 Veloce, 164 2.0, 147 GTA, Alfa giulia AWD 280 Hp
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post #3 of 8 (permalink) Old 08-11-2019, 11:22 AM
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Well I have only had my Stelvio for a week but I can share that on my Giulia it was never correct on the monitor. So I ended up not trusting it and just checked it manually each time.
Thanks, John

2019 Stelvio Ti Lusso - Mine
2019 Jeep Grand Cherokee - Hers
2019 Chrysler Pacifica - Ours
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post #4 of 8 (permalink) Old 08-11-2019, 06:01 PM
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how does one post a new thread or topic???? Anyone????

Paul G Long island
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post #5 of 8 (permalink) Old 08-11-2019, 06:10 PM
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go to the "forums" section, pick the appropriate one, and you should see a "post new topic" or something top leftish.

can't do it if you are looking at "new posts".
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post #6 of 8 (permalink) Old 08-11-2019, 10:07 PM Thread Starter
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Thanks for some of your replies.
However, still don't know how to get this fixed or corrected.
Its unacceptable having the TPMS reading 9-10 psi off.............

Cheers
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post #7 of 8 (permalink) Old 08-13-2019, 04:06 PM
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if it truly doesn't work then it's warranty.
but - it is a monitor, not a gauge, and meant to tell you that you might have to check your pressures. with a gauge.
that aside, pressures will increase with sunshine, higher ambient air temps, and time driving. the harder you drive the more they will increase BUT

if you have factored all of that in, my experience says that if THROUGH DRIVING, your pressures increase by more than 10%, you started out with not enough air, if less than 10% your starting pressures were too high.

others may disagree with me on this, I don't care.
the monitors do a good job of telling me I'm within these parameters.
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post #8 of 8 (permalink) Old 08-13-2019, 04:32 PM
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Quote:
Originally Posted by cuz5150 View Post
Thanks for some of your replies.
However, still don't know how to get this fixed or corrected.
Its unacceptable having the TPMS reading 9-10 psi off.............

Cheers
Setup an appointment with the dealer and take it in. I'm sure they can fix/replace/re-calibrate/beat with a hammer or whatever needs to be done.

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