2008 Hyundai Santa Fe pressure readings

Tiny
ARVY56
  • MEMBER
  • 2008 HYUNDAI SANTA FE
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 28,000 MILES
What affects tire pressure more - altitude or ambient air temperature?
We drove from near Galveston to the Michigan UP for Christmas. When we left, my gauge said the tires had 42psi. The Jiffy Lube in Michigan checked pressure and said they had 35psi. I rechecked when we got home and my gauge says 42psi.
suppose my gauge is reading that far off?
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Tuesday, January 5th, 2010 AT 2:01 PM

1 Reply

Tiny
DOCFIXIT
  • EXPERT
Typicaly lose 1 psi for each 10 deg drop in temp
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Friday, January 8th, 2010 AT 1:05 PM

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