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I have an interesting one for you guys. I have a pressure sensor on my m923a2 upper air tank that is leaking air. I heard a little hiss with the truck off so I got out the windex and started hunting. I found a very small air leak from this pressure switch. It is not leaking around the threads it is leaking through the sensor. I am not sure if this is the ctis air switch or for the low air alarm on the dash. Does anyone know which one this sensor is and if a replacement is available. Thanks, Will
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