P2084 code indicates a potential issue with the exhaust gas temperature sensor circuit for Bank 1 Sensor 2, relating to a performance or range problem.
P2084 Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2
Code symptoms P2084.
– Check Engine Light is illuminated
– Decreased fuel efficiency
– Rough idling or engine misfires
– Excessive smoke from the exhaust
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2084.
1. Faulty exhaust gas temperature sensor
2. Wiring or connection issues related to the exhaust gas temperature sensor
3. Exhaust leaks near the sensor causing inaccurate readings
4. Issues with the engine control module (ECM) or powertrain control module (PCM)
5. Exhaust system malfunctions or abnormalities leading to sensor errors
Code Solutions P2084.
1. Check the wiring and connections leading to the exhaust gas temperature sensor to ensure they are secure and free of damage.
2. Inspect the exhaust gas temperature sensor for any signs of corrosion or physical damage, and replace if necessary.
3. Perform a diagnostic scan to reset the fault code, and monitor the sensor readings to ensure they are within the specified range.
4. Check for any exhaust leaks that may be affecting the sensor’s performance, and repair as needed.
5. If the issue persists, consider replacing the exhaust gas temperature sensor with a new, compatible unit.