P2181 Cooling System Performance Chevy Equinox Thermostat Stuck Open: Diagnosis and Repair
P2181 on a Chevy Equinox means the ECM has detected that the engine is not reaching or maintaining its target operating temperature: most commonly because the thermostat is stuck in the open position, allowing coolant to flow freely through the radiator and preventing the engine from warming up to the 194 to 205°F range the […]