Tire Pressure?

peterson1604

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So my gauge says 30 psi but the truck says 32psi. How accurate is the trucks tire pressure monitor?
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peterson1604

peterson1604

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AzScorpion

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Thanks, just ordered it. ?
I've had it about a year now and really like it especially when you're airing back up. It's easier to over fill by a couple pounds and just use the bleeder to get it right where you want it instead of attaching the air hose over and over.
 

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So my gauge says 30 psi but the truck says 32psi. How accurate is the trucks tire pressure monitor?
I have both digital and mechanical tire gauges. They both read the same, yet 1-2 lbs lower than the tire monitors.
 


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So my gauge says 30 psi but the truck says 32psi. How accurate is the trucks tire pressure monitor?
Also remember... the actual tire pressure increases as the tire warms up.
 
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peterson1604

peterson1604

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I got them all adjusted to 31 PSI after about 15 minutes of driving. Temperature is in the low 40s and winter is on its way here in Michigan so I'll adjust after the gauge arrives from Amazon.

What pressure is everyone else running at? I have the FX4 with the 17-in wheels.
 

HenryMac

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I got them all adjusted to 31 PSI after about 15 minutes of driving. Temperature is in the low 40s and winter is on its way here in Michigan so I'll adjust after the gauge arrives from Amazon.

What pressure is everyone else running at? I have the FX4 with the 17-in wheels.
Run the pressure listed on the drivers door jamb of your truck. Mine has Light Truck tires, so the pressure is higher.

Tire Pressure Sticker Rotated No Vin.jpg
 

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The TPMS on my truck has been dead on (within ~0.5psi) to my actual gauge anytime I check. And I do it often since I air down for offroad.

My door placard says to run 30psi, but I found with the "floatiness" of the front, running 32-34psi was more comfortable and helped to settle the suspension out a bit.

I just upgraded from the 255/65/17s to 265/70/17s and am still working out the pressure for these, but I suspect I'll wind up in the same range.

2020-01-12 16.38.20.jpg
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