Deutz-Fahr P1253-00: Exhaust Gas Temperature Sensor (Upstream DOC) - Critical Overtemperature

The exhaust gas temperature sensor located upstream of the Diesel Oxidation Catalyst (DOC) has detected a critical overtemperature condition. This indicates that the temperature in the exhaust system has exceeded safe limits, potentially leading to damage to the sensor or other components.

1. 1

   The condition of the exhaust gas temperature sensor (upstream DOC)

2. 2

   The integrity of the wiring and connections to the exhaust gas temperature sensor (upstream DOC)

3. 3

   The operation of the exhaust system for blockages or restrictions that may cause excessive heat buildup

1. 1

   Inspect

   Inspect the exhaust gas temperature sensor (upstream DOC) for physical damage or signs of overheating.

2. 2

   Check

   Check the wiring and connections to the exhaust gas temperature sensor (upstream DOC) for corrosion, looseness, or damage.

3. 3

   Test

   Test the exhaust system for blockages or restrictions that may cause abnormal temperature increases.