If the exhaust is not colorless, it must
be either white, blue, or black. If exhaust
WHITE . . . . . .._._
Go to fuel system, para. 2-28.
Could be injector timing, DS level fault.
BLUE..... . . . . . ..Blue smoke is a sign of oil entering the combustion chambers.
enters past the piston rings or intake valve stem seals. This is an internal
engine problem that cant be handled at this level of maintenance.
may want to run the engine running tests, para. 2-24, before you notify
DS maintenance (chapter 14).
BLACK. . . . . . . . . Air Intake/exhaust.