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check for low coolant level make sure coolant system been bleed from air.make radiator full coolant and coolant reservoir on the full cold mark.if all is good the cooling fan relay could be bad or the engine coolant temperature sensor could be faulty.
How far over half? The idea that 220 is overheating is wrong. But I don't think your gauge shows numbers if I recall.
Check your engine driven cooling fan. Look at the fan clutch front and back. Is it moist and dirty? Oil from the inside may have leaked out. With the engine off of course, spin the fan by hand. Does it spin real freely and continue for a second or two or more after you let go. The clutch may be bad. What can happen then is the motor will spin faster than the fan and at time the fan will barely move and that would not draw air through the radiator cooling fins.
Also make sure the radiator and condensor are free from debris (leaves, dirt, birds, cats, etc.)
If this vehicle has the original or old(defective) thermostat, this can cause overheating if its stuck closed(defective). The engine cooling fan has a clutch, If defective the fan will just spin, not fast enough to cool the engine and cause overheating. The radiator is clogged, can cause overheating. A simple check for the radiator is when vehicle has been running awhile, engine is hot, shut the vehicle off and open the hood and carefully reach your hand down between engine fan and radiator and quickly palm the radiator at the top, middle, and bottom and if the warm temp by feel is about the same, most likely the radiator is not the problem. Good luck, best regards.
The radiator fan may not be blowing.
Idle car with parking brake engaged.
Turn OFF Air Conditioner
Pop open hood and look at the radiator fan.
It is not spinning.
Turn ON Air Conditioner and look at fan.
The fan MUST be spinning.
Replace the "Radiator fan" relay switch.
Check primary fuses and replace as needed.
the fan speed could be one problem...the other problem could be wth the radiatr cores being blocked..check whether the heat on your radiator is even front top to bottom and on all sides...if it is not, clean the radiator and check for the problem