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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.
Verify the electronic control module (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 causes:
1)A fouled EGR cooler
2)Plugged or leaking EGR differential flow ports
3)A damaged EGR valve
4)A stuck open turbocharger control valve
5)A low reading from the EGR differential pressure sensor
6)A low reading for the EGR valve position sensor
7)High exhaust temperatures
8)Low coolant level
9)High coolant temperature
10)An incorrect coolant/water mixture
11)A stuck closed variable geometry turbocharger.
Note: This fault code will most likely not be active with no load in the shop. The engine must be loaded to trigger this fault code.
Possible repairs:
1)Replace the EGR temperature sensor.
2)Drain the coolant and refill the cooling system with the proper mixture.
3)Tighten or replace the EGR differential pressure sensor seals, or air intake connection.
4)Clean the EGR cooler.
5)Clear the debris or clean any restriction found in the EGR differential pressure flow ports.
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.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2765 PID: SPN: 2797 FMI: 13 Engine Injector Bank 1 Barcodes – Out of Calibration. Invalid injector barcode information has been entered.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2754 PID: SPN: 81 FMI: 16 Engine Particulate Filter Inlet Pressure – Data Valid but Above Normal Operational Range – Moderately Severe Level. Excessive black smoke has been detected exiting the engine and entering the aftertreatment diesel particulate filter.