Volvo All Engines (2017 Emissions) Fault Code: P046C64 PID: EMS EGR Differential Pressure Sensor Circuit Range/Performance
Volvo All Engines (2017 Emissions) Fault Code: P046C64 PID: EMS EGR Differential Pressure Sensor Circuit Range/Performance
This Diagnostic Trouble Code (DTC) monitors and evaluates malfunctions in the (EGR) Exhaust Gas Recirculation Diff Pressure. A faulty (EGR) Exhaust Gas Recirculation differential Pressure can lead to uneven running and response problems.
Conditions for diagnostic trouble code (DTC):
1) Abnormal sensor signal
Observable symptoms
1) Possible engine de-rate
2) Exhaust leakage
Probable cause
1) Connector
2) Wiring harness
3) Clogged ports
4) EGR Cooler
5) EGR system pipe and connections
6) EGR differential pressure sensor
Detailed information
Activation
1) The diagnostic trouble code (DTC) is first set after 30 min when driving with varying engine loads
2) At idle the diagnostic trouble code (DTC) is normally not set to active
Deactivation
1) The diagnostic trouble code (DTC) will be shown as inactive when the ignition key is turned to the 0 position
2) To fully verify the repair it may be necessary to activate vehicle functions or perform a test drive
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