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c/auto-mechanics•michael669michael669•1mo ago

My tire pressure gauge was reading 10 PSI off for months before I noticed

I was at a shop in Phoenix last summer and the guy there let me borrow his digital gauge to check my work truck. I had been running my tires at what I thought was 55 PSI for probably 6 months but his gauge showed 65. Mine was just some cheap stick gauge from a gas station. Has anyone else had a cheap tool throw off their whole routine for way too long?
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3 Comments
jasonallen
jasonallen1mo ago
Oh man, that's rough! My buddy Dave had a similar thing happen with his tire gauge. He used this old dial gauge his dad gave him for like two years, always checking his civic's tire pressure and thinking everything was fine. Then his girlfriend bought him a new digital gauge as a joke for Christmas. Turns out his old one was reading almost 8 PSI low the whole time. His car handled like a dream after he fixed it, and now he just laughs about how he was basically driving on squishy tires for that long. I swear, some cheap tools just slowly drift off and you never notice until you check with something else. It makes you wonder what other stuff in our garage is lying to us, you know?
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mason_lopez
His car handled like a dream after he fixed it" yeah that's the part that stings. You spend months thinking everything's fine and it's really just your tools gaslighting you. Cheap stuff drifting off is way too common, I never trust a stick gauge anymore.
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murray.jana
Was that shop in Phoenix using a calibrated gauge though?
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