Verify the ECM calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM.
Possible repairs:
1)Replace the intake manifold temperature sensor.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2963 PID: 110 SPN: 110 FMI: 0 Engine Coolant Temperature – Data Valid But Above Normal Operational Range – Least Severe Level. Engine coolant temperature is above the engine coolant temperature engine protection warning limit.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2962 PID: 412 SPN: 412 FMI: 0 Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operational Range – Moderately Severe Level. EGR temperature has exceeded the engine protection limit.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2961 PID: 412 SPN: 412 FMI: 0 Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operational Range – Least Severe Level. EGR temperature has exceeded the engine protection limit.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2813 PID: 146 SPN: 2791 FMI: 14 EGR Valve Control – Special Instructions. The EGR valve has been closed during regeneration of the aftertreatment diesel particulate filter.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2778 PID: 289 SPN: 3481 FMI: 0 Aftertreatment Fuel Rate – Data Valid but Above Normal Operational Range – Moderately Severe Level. The lubricating engine oil needs to be changed due to possible fuel dilution.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2777 PID: 390 SPN: 3703 FMI: 11 Particulate Trap Active Regeneration Inhibited Due to Permit Switch – Condition Exists. Regeneration of the diesel particulate filter has been prevented due to the permit switch being disabled.