Sprinter 2500 V6-3.0L DSL Turbo (2008)
Fuel Injector: Procedures
Cleaning Fuel Injectors
CLEANING FUEL INJECTORS
NOTE: Before cleaning the injector recesses, seal the injector holes in the injector recesses with the appropriate pin to prevent debris from
falling into the recesses and entering the motor.
1. Using a lint-free rag, wipe the cylinder head around the fuel injector.
2. Wipe out injector recesses with a lint-free cloth, then clean with a cylinder brush.
3. Clean the bottom of the cylinder recess with a round brush.
4. Blow out the recess and clean again with a lint-free cloth and cover over.
5. Perform these steps for each injector recess.
NOTE: DO NOT clean the tip of the injector with a wire brush. Use a lint-free cloth.
6. Clean injector body with a wire brush.
7. Clean injector tips with a lint-free cloth.
NOTE: Do Not apply antiseize lubricant to the injector nozzle, apply only to the injector body.
8. Grease injector body with antiseize lubricant.
NOTE: Always replace the seals that seal off the injectors at the cylinder head to the combustion chamber.
Injector Quantity Adjustment
INJECTOR QUANTITY ADJUSTMENT
The injector quantity adjustment, or classification of injectors describes the quantity, or fuel delivery characteristic of the injector. This will make it
possible to match the ECM fuel delivery strategy to the mechanical characteristics of the injector within a more narrowly graduated range. Injector
classification can only be performed with a scantool.
The fuel injectors used in this vehicle have a seven digit alphanumeric code, which allows the ECM to determine the fuel quantity characteristic of each
injector.
When carrying out service procedures where the injectors are removed from the cylinder head, it is important to observe the original locations of each
individual injector, as installing an original injector in the wrong location, vehicle driveability and smoking concerns could result.
If an injector(s) is replaced, or if there is any concern that an injector may not be installed in its original location, the injector quantity adjustment
procedure must be performed with the scan tool in order to program the quantity classification (seven digit alphanumeric code) to the corresponding
cylinder in the engine control module.
INJECTOR CLASSIFICATION PROCEDURE
NOTE: The engine must not be running for this procedure.
NOTE: If installing a new injector, make a note of the seven digit alphanumeric code. You will need to enter it into the scan tool during the