Hi everyone,

I guess with it being quiet lately I'll put up a question....

Anybody know how accurate the EVIC system/Tire Pressure Monitors are?

I plan to ask this on the next time I take it into the shop but, checked my tire pressure last night with my "normal" tire pressure gague, all tires at 36psi... EVIC called them 33 and 32 on the right/left sides respectively.

Which should I trust?

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2008 Jeep Liberty (KK) Ltd

I would trust evic... Ive used some rugged tire pressure gauge and it comes up like evic... so I guess Evics good!

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2009 4x4 Silver Liberty Limited Edition, Premium Group I and II, Skid Plate Group, Exterior Appearance Group by MOPAR, Select Trac II, Sky Slider,uconnect studios,Slush Mats, Hid HEADLAMPS, Interior LED light mod, Scangauge 2, AEM brute force intake, IPOD Integration interface for RER RADIOS, OEM Front end bra.

I would trust the evic, but the evic system may be compensating for outside ambient temperature

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2008 KK Liberty Sport NIGHT OPS EDITION + GILLS
OEM & Custom Skids - Factory Tow Package - Rock Lizard Skink Super Sliders
Prototype JBA 4 Inch Lift - JBA UCA's - Flowmaster Super 44 OR - Whacked Resonator
Jet Stage 2 - RL Gecko Basket Rack - Custom Winch Bumper - Recon 10.5K Winch

Mine seem to be within a pound of my digital gauge.
Speaking of which I think one of mine went bad tonight. Not showing a pressure at all and I have the warning light flashing on my dash. May have to visit the dealer in the morning for some warranty repair.