OBD II Fault Code

  • OBD II P0547

OBD-II Code Decreased engine performance 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. If the PCM detects an incorrect signal from the EGT sensor, it will store code P0547.

Decreased engine performance Symptoms

  • Decreased engine performance

Common Problems That Trigger the P0547 Code

  • EGR valve failure
  • Exhaust Gas Temperature (EGT) sensor failure
  • Fuel injector failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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