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Mercury V8 300 User Manual

Mercury V8 300
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Fault Failure
PCM Fault Name
Code Description Code Description
621 System voltage
4
The signal received is valid but is higher than the
expected range.
SysVolt_RangeHigh
5
The signal received is valid but is lower than the
expected range.
SysVolt_RangeLow
711 Oil level sensor
6
The device, calculation or process detected a
fault.
OilLevel_Sensor_Faulted
12 The device is disabled due to conditions present. OilLevel_Sensor_Invalid
19
Conditions are such that the test cannot be
performed.
OilLevelInvalid
24
The input circuit for the sensor is above the valid
limit.
OilLevel_RangeHigh
713 Crankcase oil level 21
Relative to a specified threshold, the value is too
low.
OilLevel_Critically_Low
821 O2 sensor Port S1
1
The output signal from the ECU to the device is
open circuit or has too much resistance.
UEGO1_Sensor_Open
27
The input signal to the ECU from the device is
short circuit or has too little resistance.
UEGO1_Sensor_Short
822 O2 sensor heater Port S1
4
The signal received is valid but is higher than the
expected range.
UEGO1_HtrUprLimit
5
The signal received is valid but is lower than the
expected range.
UEGO1_HtrLwrLimit
16
The ECU has detected a problem when trying to
output a signal to this device.
UEGO1_HtrOpnShrt
902 Short term fuel trim Port
4
The signal received is valid but is higher than the
expected range.
O2Control_ITermHighPort
5
The signal received is valid but is lower than the
expected range.
O2Control_ITermLowPort
1012 Engine or drive trim position
24
The input circuit for the sensor is above the valid
limit.
TrimPos_RangeHigh
25
The input circuit for the sensor is below the valid
limit.
TrimPos_RangeLow
1021
Shift position A from shift
actuator
24
The input circuit for the sensor is above the valid
limit.
ShiftPos_RangeHigh
25
The input circuit for the sensor is below the valid
limit.
ShiftPos_RangeLow
1023
Shift position B from shift
actuator
24
The input circuit for the sensor is above the valid
limit.
ShiftPos2_RangeHigh
25
The input circuit for the sensor is below the valid
limit.
ShiftPos2_RangeLow
1024
Shift position from shift
actuator A and B difference
6
The device, calculation or process detected a
fault.
ShiftPositionSensor_Diff
1025
Shift position A and B from shift
actuator
6
The device, calculation or process detected a
fault.
Dual_ShiftPosSen_Fault
1051 Camshaft synchronization 23 A particular state or condition exists. Camshaft_Encoder_Fault
1052 Crankshaft or camshaft trigger 6
The device, calculation or process detected a
fault.
EncoderFaultCrankCamTrigger
1061 Mechanical demand sensor A
24
The input circuit for the sensor is above the valid
limit.
DemandSensor1_RangeHigh
25
The input circuit for the sensor is below the valid
limit.
DemandSensor1_RangeLow
1062 Mechanical demand sensor B
24
The input circuit for the sensor is above the valid
limit.
DemandSensor2_RangeHigh
25
The input circuit for the sensor is below the valid
limit.
DemandSensor2_RangeLow
Fault Codes
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 4A-5

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Mercury V8 300 Specifications

General IconGeneral
Horsepower300 HP
Displacement4.6 L
Full Throttle RPM Range5200-6000 RPM
Fuel Induction SystemElectronic Fuel Injection (EFI)
Gear Ratio1.75:1
StartingElectric
Shaft Length20 in, 25 in, 30 in
Warranty3-Year Limited Warranty
Engine TypeV8
Fuel Type87 Octane
Bore x Stroke92 mm x 86 mm

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