ENGINE PERFORMANCE LOW
MALFUNCTION 2: (Continued)
Low stall speed with black exhaust smoke: (one or both banks).
Elements are dirty (refer
Open doors, remove
Engine speed increases from speed
to pertinent vehicle
elements, clean element
obtained in the previous step to
elements and close doors.
Engine speed remains the same.
Filters are not the
Repeat stall test.
problem; continue to next
c. Air cleaner hose collapsed.
(1) Inspect hose. Replace as required.
d. Turbocharger air inlet blocked.
(1) Inspect turbocharger inlet (WP 0016,
Engine Abnormal Exhaust).
e. Turbocharger deficiency.
(1) Inspect turbocharger (WP 0016, Engine
Low stall with excess bluish exhaust smoke (one or both banks).
a. Worn or damaged rings with excessive oil
(1). Overhaul engine (WP 0178, Disassembly/
Assembly Procedure Sequence for the
AVDS 1790-2 Engine).
Low stall with one bank not firing.
a. Fuel injection pump malfunction.
(1) Replace fuel injection pump (WP 0115,
Fuel Injection Pump Assembly
END OF WORK PACKAGE
WP 0019 00-4