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  • JohnA252 commented on Lostfisher1's instructable Tire Pressure Sensor Bypass3 years ago
    Tire Pressure Sensor Bypass

    Of note concerning TPS system....had new tires put on work truck the other day. The tire shop only put 50 psi in a load range "E" tire on a 1 ton truck not what the data sticker on the truck mandated or the tire required for the load being carried. A day later we loaded up to head out for a job and the truck felt a little squishy going down the highway or making turns. Never seen any indications from the TPS about low pressure in the tires. So I decided to lower the pressure till the light came on. It finally came on at 40 psi on my gauge. I went back thru the owner's manual to see what PSI the light should come on, there was nothing written, but I did find this interesting statement. Even with a TPS system you are REQUIRED to check your tire pressures AT LEAST MONTHLY and not...

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    Of note concerning TPS system....had new tires put on work truck the other day. The tire shop only put 50 psi in a load range "E" tire on a 1 ton truck not what the data sticker on the truck mandated or the tire required for the load being carried. A day later we loaded up to head out for a job and the truck felt a little squishy going down the highway or making turns. Never seen any indications from the TPS about low pressure in the tires. So I decided to lower the pressure till the light came on. It finally came on at 40 psi on my gauge. I went back thru the owner's manual to see what PSI the light should come on, there was nothing written, but I did find this interesting statement. Even with a TPS system you are REQUIRED to check your tire pressures AT LEAST MONTHLY and not depend on the TPS alone. This is a newer model truck. So you decide how well the systems are really working in your vehicle. I know right away when I have a low tire on a dual rear wheel truck. How folks can drive with a flat tire and not know, like the guy I followed today, is beyond me. Guessing his TPS was not working either nor was he looking in the mirror to see the smoke or my flashing lights to get him to stop.

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