Volvo All Engines (2017 Emissions) Fault Code: P203164 PID: EMS Exhaust Gas Temperature Sensor Bank 1 Sensor 2
Volvo All Engines (2017 Emissions) Fault Code: P203164 PID: EMS Exhaust Gas Temperature Sensor Bank 1 Sensor 2
Circuit description
This diagnostic function indicates malfunction at the exhaust gas temperature (EGT) sensor. The purpose of the exhaust gas sensor is to contribute the relevant temperatures required for the temperature regulated aftertreatment diesel particulate filter regeneration control. A faulty EGT sensor can result with a failed aftertreatment (DPF) regeneration.
Conditions for diagnostic trouble code (DTC)
The sensor value is not within an expected range
Too high of temperature difference compared to the other DPF temperature sensors
Observable symptoms
Regeneration not possible
Probable cause
Exhaust system leakage
1) Aftertreatment exhaust gas temperature (EGT) sensors installed in the incorrect location on the aftertreatment diesel particulate filter (DPF)
2) Wiring harness
3) Connector
4) Exhaust Gas Temperature (EGT) Sensor
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