812939 3 Mercury GASKET

Table 1
J1939 Codes and Description Comments
1323-2
Engine Misfire Cylinder #1 : Erratic, Intermittent, or Incorrect With the engine on, the Integrated Sensing Module (ISM) detects a signal from the combustion sensor before combustion or the signal from the combustion sensor is received within 1.8 millisecond of the signal for ignition.
The combustion burn time for the cylinder is excluded from the average combustion burn time and from the calculation for the fuel correction factor. Diagnostics for the cylinder misfire are not available. The code is logged
1323-4
Engine Misfire Cylinder #1 : Voltage Below Normal The signal from the combustion sensor to the ISM is less than the minimum acceptable value.
The combustion burn time for the cylinder is excluded from the average combustion burn time and from the calculation for the fuel correction factor. Diagnostics for the cylinder misfire are not available. The code is logged.
1323-31
Engine Misfire Cylinder #1 A signal from the combustion sensor is not received by the ISM. A cylinder misfire or an open