DIAGNOSTIC MANUAL
1. New Aftertreatment Fuel Injector
(AFI) gasket
2. Early production AFI gasket
Figure 22
AFI Gasket
Step
Action
Decision
9
CAUTION
Do not remove the nozzle injector from the
doser housing.
Spray pattern test is no
longer a visual check for Aftertreatment
Fuel Injector (AFI) replacement.
Perform Aftertreatment Fuel Injector (AFI) visual inspection.
Remove AFI (see Engine Service Manual) and check for the
following:
Visual Checks:
•
Correct AFI gasket is installed (Figure 22)
•
AFI and bore unrestricted and free of carbon buildup
•
AFI tip free of cracks and other damage
Did AFI pass all visual checks?
Yes: Install AFI, and go to step 10
No: Correct failed visual check(s).
After repairs are complete, install AFI
and go to step 10.
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