A bad coolant temp sensor disables the fuel pump or at times result to rough engine idle. On a partially defective sensor, it triggers a what it seem on and off operation of the fuel pump specially on an uphill climb or on a heavy car load.
1988 or 1998? either way it is locate on the thermostat housing. on the 1998 model that is at the front of the engine on the left side (as you look at it) on the top some models have one some have two.
Vehicle make, model & engine size needed first.
It depends on which model year / engine. The E46 330i operating coolant temperature is about 97 Celsius.
For the coolant level it is usually located in the coolant reservoir. For the coolant temperature it is usually located on the engine close to the thermostat or on a cylinder head. Need more info like year, make and model to help you more.
Mazda Miata is another name for the model Mazda MX-5. This model was introduced in 1989, and it is now in its third generation.
NOTE: this answer is describing the location of the engine coolant temperature sensor - NOT the coolant sensor in the reservoir that warns when the level gets too low.The coolant temperature sensor is located directly adjacent to the thermostat housing. The thermostat housing is what the upper radiator hose (toward the right side of the engine compartment) connects to. You do not have to replace the reservoir to replace this part, but leaky coolant reservoirs are a common problem on this model.
The company that makes the all model coolant claims you can.
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The coolant level is set by the level in the coolant reservoir. There is a line for the level if the engine is cold and a line for if the engine is up to temperature. You should fill it to the corresponding line.
P2185 is ECT sensor high voltage detected. ECT stands for Engine coolant Temperature Sensor.
The Mazda brand is well known and used in the United States. The Mazda 626 model car came into existence in the early 1980's and was popular until the next model emerged.
your MUM is the answer