Usually in the drivers side head between the #1 and #3 spark plugs.
The temperature sending unit for a 1995 Chevy Beretta is on the front of the engine. It is between the front of the engine and the radiator inlet/outlet.
where are the temperature sending unit located on a 1990 Chevy engine 5.7
Assuming you mean the engine coolant temperature sending unit, we need to know what engine it has, it makes a difference.
It should be located on the front of the water pump.
It is right behind the distributor, screewed into the top of the engine block.
It is behind the distributor, and screewed into the top of the engine block
If you tell me the engine size, Then I'll tell you were it is.
If it's a V6 the temperature sender is under the throttle body behind the upper radiator hose inlet on the top of the engine.
It is right behind the Distributor and screewed into the top of the engine block.
Front of the engine, about half-way down, facing the radiator.
Coolant sending unit is located at the front of the left cylinder head
The 1994 Chevy 454 cubic inch big block engine temperature sensor is located on the front of the engine. The engine temperature sensor will be a few inches above the thermostat housing.