Volvo

Volvo All Engines (2017 Emissions) Fault Code: P040912 PID: EMS EGR Differential Pressure Sensor Circuit descriptionThis 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)The voltage at pin A14.EA:21 is above normal value Diagnostic operating conditionsIgnition key in ON position Observable symptomsPoor accelerator pedal (AP) responseRegeneration not possible Probable cause1) Connector2) Wiring harness3) EGR differential pressure sensor4) Engine control module (ECM) Volvo All Engines (2017 Emissions) Fault Code: P040399 PID: EMS...

Volvo All Engines (2017 Emissions) Fault Code: P040913 PID: EMS EGR Differential Pressure Sensor 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) The voltage at pin A14.EA:21 is below normal value Diagnostic operating conditions1) Ignition key in ON position Observable symptoms1) Poor accelerator pedal (AP) response2) Regeneration not possible Probable cause1) Connector2) Wiring harness3) EGR differential pressure sensor Volvo All Engines (2017 Emissions) Fault Code: P040901 PID: EMS EGR...

Volvo All Engines (2017 Emissions) Fault Code: P040964 PID: EMS EGR Differential Pressure Sensor Circuit descriptionThis 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)Abnormal sensor signal Observable symptomsPossible engine de-rateExhaust leakage Probable cause1) Connector2) Wiring harness3) Clogged ports4) EGR Cooler5) EGR system pipe and connections6) EGR differential pressure sensor Detailed information ActivationThe diagnostic trouble code (DTC) is first set after 30 min when driving with varying engine loads At idle the...

Volvo All Engines (2017 Emissions) Fault Code: P040984 PID: EMS EGR Differential Pressure Sensor Circuit descriptionThis 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)Abnormal system response, most likely low flow Observable symptomsPossible engine de-rateExhaust leakageBlack smoke Probable cause1) Connector2) Wiring harness3) Clogged ports4) EGR Cooler5) EGR system pipe and connections6) EGR differential pressure sensor Detailed information ActivationThe diagnostic trouble code (DTC) is first set after 30 min when driving with varying...

Volvo All Engines (2017 Emissions) Fault Code: P040985 PID: EMS EGR Differential Pressure Sensor Circuit descriptionThis 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)The sensor signal is above normal range Probable cause1) B166: EGR Differential Pressure Sensor2) Wiring harness Detailed information ActivationWhen the diagnostic trouble code (DTC) is active the engine control module (ECM) investigates during an extra driving cycle whether the malfunction indicator lamp (MIL) should be lit. If...