PACCAR MX (2004 Emissions) Fault Code: P103C EGR Control – Unable to Reach Target
PACCAR MX (2004 Emissions) Fault Code: P103C EGR Control – Unable to Reach Target
SET CONDITIONS:
The PCI ECU (D420) detects that the demanded NOx conversion is limited by the EGR system limits for more than 300 seconds.
DIAGNOSTIC CONDITION:
This diagnostic runs:
1. When the engine is running at a steady load and
2. Coolant temperature is above 50°C [122°F]
CORRESPONDING OBD READINESS MONITOR:
None
RESET CONDITION:
This DTC changes to inactive when the fault is no longer detected.
REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back? (Can be pending, inactive or active)
– No, repair successful
– Yes, repair unsuccessful
POSSIBLE CAUSES:
1. Leaking EGR system
2. Clogged EGR system
3. Clogged EGR pressure difference sensor venturi
4. NOx before catalyst sensor deviation
ADDITIONAL INFORMATION:
One way in which the engine NOx emission is controlled is by varying the EGR flow toward the inlet manifold of the engine.
Related
-
Wabco ToolBox plus 13.7.0.1 + ECAS CAN2 v3.00 Diagnostics Software
Trucks software $84.00Rated 0 out of 5 -
John Deere & Hitachi Parts ADVISOR 2020 [08.2020] Offline DVD Spare Parts Catalog
John Deere $120.00Rated 0 out of 5
-
Bobcat Service Library [03.2019] Service, Operator, Maintenance, Bulletines, etc full update
Bobcat $110.00Rated 0 out of 5 -
Hino Diagnostic eXplorer 2 – Hino DX2 v1.1.21.4 with keygen unlocked ( Hino trucks )
Hino $60.00Rated 0 out of 5 -
DPF EGR SCR BAC ERG Delete & Flash CAAT Cummings Detroit Dodge Mack Volvo Collection of DELETE files
CAT $200.00Rated 0 out of 5
Related products
-
SERVICE MANUAL International Engines DT466 & DT530 (1995-1998)
INTERNATIONAL ENGINES $34.00Rated 0 out of 5 -
SERVICE MANUAL International Engines DT466E & DT530E (1999 & Older)
INTERNATIONAL ENGINES $31.00Rated 0 out of 5 -
SERVICE MANUAL International Engines DT466 & DT570 (2004-2006) D
INTERNATIONAL ENGINES $34.00Rated 0 out of 5