P0546 DODGE code

What the P0546 code means. P0546 indicates that there is a malfunction related to the exhaust gas temperature sensor circuit. The purpose of the sensor is to protect the catalytic converter from heat damage. This sensor converts temperature to voltage, and inputs this data to the PCM (powertrain control module).

Where is the exhaust gas temperature sensor located?

Generally, one temperature sensor is located on the exhaust manifold, and one is located near the EGR valve. The typical symptoms of a failed EGR temperature sensor include pinging, increased emissions and an illuminated Check Engine Light.

How do I test my exhaust temperature sensor?

To test the sensor, use a separate IR measurement device, and compare the readings to the live data obtained when using a diagnostic tool. Run the engine so the exhaust increases in temperature and compare the readings.

How does an exhaust gas temperature sensor work?

The exhaust gas temperature sensor detects the temperature, for example, in front of the catalytic converter or diesel particulate filter and sends this as a voltage signal to the engine control unit.

What does P0544 code mean?

Exhaust Gas Temperature Sensor Circuit

OBD-II Code P0544 is defined as a Exhaust Gas Temperature Sensor Circuit. The Exhaust Gas Temperature (EGT) Sensor tells the engine control module (PCM) the temperature of the exhaust gas coming out of the engine. High exhaust temperatures can lead to engine or turbocharger failure.

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Can you clean an exhaust gas temperature sensor?

Handle the exhaust gas temperature sensor carefully, dropping the component may cause unseen damage to the cement that secures the thermistor. 3. If the sensor is threaded, clean the thread in the exhaust pipe with a cleaning tap.

How do you fix high exhaust temperature?

Installing aftermarket parts to help regulate exhaust gas temperatures will extend the life of the motor and assist with increased performance.

  1. Provide additional airflow to the motor by installing an aftermarket, cool air intake in place of the stock air filter. …
  2. Install a free-flowing, large diameter exhaust system.

How much does a EGT sensor cost?

The average cost for EGR valve temperature sensor replacement is between $244 and $262. Labor costs are estimated between $58 and $73 while parts are priced between $186 and $189.

How many exhaust gas temperature sensors are there?

Depending on the vehicle features, up to four exhaust gas temperature sensors can be installed. Engine control monitors the temperature before the catalytic converter, turbocharger and also upstream and downstream of the diesel particulate filter.