ddw350
Registered User
this has been going on,on and off, for like a 6 months.the gauge will lay over on the cool side for like 30 mins or so then suddenly move to the n.then will act normal for awhile,suddenly it will drop quickly.it moves erracticly.but sometimes it works fine??? got plenty of coolant.checked temp around the thermostat with a infrared gauge.thats good also.also burped the system many time thinking it might be a air pocket.[the pressure relief cap really helps with that]