VOLVOUU All Engines (2013 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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