TM 55-1510-220-MTF
a.
Possible leak or restriction in Py air bleed tube or P3 air delivery tube.
b.
P3 air filter needs replacing.
c.
Improper acceleration adjustment on fuel control unit.
d.
Propeller governor out of adjustment.
e.
Defective fuel control unit.
f.
Defective propeller governor.
E16.
Flame out.
a.
Fuel supply contaminated with ice, water or debris.
b.
Engine driven high pressure fuel pump.
c.
Fuel control unit contaminated or corroded.
d.
Manifold adapter or fuel nozzles restricted.
e.
Air lock on engine.
f.
Fuel vent system float valve stuck or plugged fuel vent line.
g.
Air lock on engine.
E17.
Low power output.
a.
Defective indicating system.
b.
Operating procedures incorrect.
c.
Control linkages incorrectly adjusted or disconnected.
d.
Propeller governor defective.
e.
Leaks or restrictions in fuel control unit pneumatic system.
f.
Fuel nozzles restricted.
g.
Contaminated fuel control unit.
h.
Fuel control unit maximum speed setting out of adjustment.
E18.
High fuel flow at altitude.
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