Technical Service Bulletin 293-027 — 2013 MACK LEU
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Bulletin Details
| TSB ID | 293-027 |
| Manufacturer | |
| Vehicle | 2013 MACK LEU |
| Component | ENGINE AND ENGINE COOLING:COOLING SYSTEM |
| Communication Date |
Bulletin Summary
EGR MASS FLOW RATE LOW. THIS BULLETIN IS RELEASED TO ADDRESS HIGH COUNTS OF DIAGNOSTIC TROUBLE CODE (DTC) SPN 2659 FMI 18 OR P0401 ONLY DURING NORMAL TO HIGH LOAD DRIVING CONDITIONS ON VEHICLES ASSEMBLED BETWEEN JANUARY 2010 AND DECEMBER 2013. IT HAS BEEN DETERMINED THAT DEPOSITS IN THE EGR COOLER CAN BUILD UP AND CAUSE HIGH RESTRICTION OVER TIME. THIS HIGH RESTRICTION PREVENTS THE REQUIRED AMOUNT OF EGR GAS FROM FLOWING THROUGH THE EGR COOLER CREATING DTC SPN 2659 FMI 18 OR P0401 EGR MASS FLOW RATE LOW TO BE LOGGED INTERMITTENTLY. NORMALLY, THIS IS ONLY REPORTED ON HIGHER MILEAGE VEHICLES.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2013 MACK LEU
CBR-24 202308
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
K37146742
ENGINE AND ENGINE COOLING
PI 0844
SERVICE BRAKES
FSB 561-024
EQUIPMENT
PI-0837
ELECTRICAL SYSTEM:SOFTWARE
FSB-561-024
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
PI-0841
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
FSB-271-002
ELECTRICAL SYSTEM:SOFTWARE
FSB-373-018
POWER TRAIN:MANUAL TRANSMISSION
PI-0834
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER