P018C MERCURY - Fuel Pressure Sensor 'B' Circuit Low
- Faulty Fuel Pressure Sensor 'B'
- Fuel Pressure Sensor 'B' harness is open or shorted
- Fuel Pressure Sensor 'B' circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P018c Mercury DescriptionThe Comprehensive Component Monitor (CCM) monitors the Fuel Lift Pump (FLP) circuit to the Powertrain Control Module for low voltage. The test fails if the voltage falls below a calibrated limit for a calibrated amount of time during testing.
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