Volvo All Engines (2017 Emissions) Fault Code: P018100 PID: EMS Fuel Temperature Sensor "A" Circuit Range/Performance

Volvo All Engines (2017 Emissions) Fault Code: P018100 PID: EMS Fuel Temperature Sensor "A" Circuit Range/Performance

The Engine Control Module (ECM) monitors the voltage drop across the sensor and uses this signal to warn the driver and derate the engine to avoid engine damage if the signal is not within programmed limits.

Conditions for diagnostic trouble code (DTC):
1) Extreme variation in sensor values

Probable cause
1) Temperature Sensor
2) Wiring harness
3) Engine control module (ECM)

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