851887A98 Mercury GASKET SET, Lower Unit

Table 1
Diagnostic Trouble Codes
J1939 Code and Description Comments
651-2
Engine Injector Cylinder #01 : Erratic, Intermittent, or Incorrect The code is logged.
The engine Electronic Control Module (ECM) receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
651-5
Engine Injector Cylinder #01 : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
651-6
Engine Injector Cylinder #01 : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
651-7
Engine Injector Cylinder #01 : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
652-2
Engine Injector Cylinder #02 : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
652-5
Engine Injector Cylinder #02 : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
652-6
Engine Injector Cylinder #02 : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
652-7
Engine Injector Cylinder #02 : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
653-2
Engine Injector Cylinder #03 : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
653-5
Engine Injector Cylinder #03 : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
653-6
Engine Injector Cylinder #03 : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
653-7
Engine Injector Cylinder #03 : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
654-2
Engine Injector Cylinder #04 : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
654-5
Engine Injector Cylinder #04 : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
654-6
Engine Injector Cylinder #04 : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
654-7
Engine Injector Cylinder #04 : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
655-2
Engine Injector Cylinder #05 : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
655-5
Engine Injector Cylinder #05 : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
655-6
Engine Injector Cylinder #05 : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
655-7
Engine Injector Cylinder #05 : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
656-2
Engine Injector Cylinder #06 : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
656-5
Engine Injector Cylinder #06 : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
656-6
Engine Injector Cylinder #06 : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
656-7
Engine Injector Cylinder #06 : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid. Background InformationPerform this procedure when the engine is at normal operating temperature. Pay careful attention to the condition of the wiring and the connectors as you perform this procedure. The wiring and/or the