standard water temp gauge
 

hi guys help me please.my water temp goes up to halfway as soon as i start my car hot or cold.any ideas.dont want to be boiling her up.94 v2 sti jdm

try draining all the water out and flushing the system through mate there really finiky bits of kit if theres a bit of grit or something there,
could also be an earthing wire if when you start the car its earthing the gauge it will fly up hope this helps