overheating

Hi all, I am currently working on a cfca engine that is having overheating issues. Issue only arises down the highway when you start to push it. It has recently had a new water pump and thermostat before it landed into my hands. I have tested the cooling fan operation, pressure tested the...

Hi does anybody have any ideas or experience with the following? It appears that my coolant temp gets very high 110-120 degrees!!! (Have an OBD11 dongle As my van has no gauge) Actual high temp warning has only come on once for a few seconds then went off. radiator fan runs flat out even on...