P2181 Acura Cooling System Performance
Possible causes
– Low coolant level
– Faulty Engine Coolant Temperature Sensor
– Stuck or leaking thermostat
– Engine Coolant Temperature Sensor harness is open or shorted
– Engine Coolant Temperature Sensor circuit poor electrical connection
– Faulty Engine Coolant Temperature Sensor
– Stuck or leaking thermostat
– Engine Coolant Temperature Sensor harness is open or shorted
– Engine Coolant Temperature Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Acura Vehicle:
Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX