International prostar 2011 air gauge goes crazy

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you might want to check your coolant level 1. temp sensor at the coolant bottle or the connections 2.
if not the problem second check your thermostat 3

 

Woha! that's weird no air but the truck brakes did not lock up yikes!!! my best bet is take you truck @ TA have them put the computer to it have them run the codes for $85 bucks begin their so you don't waste too much money

 

The air pressure gauges are electronic pressure sensors plumbed into the primary and secondary air lines in the dash. When the gauges point down at 6 O'clock that is a diagnostic indicator that the body controller is not seeing the sensors properly. This is an electrical problem.

 

Yes, side cab wall to the left of the clutch pedal in front of the drivers door.