Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 810 / 903

AIRCRAFT
Power Plant DV 20 E AMM
Trouble Possible Cause Repair
Page 102
15 Mar 2022
71-00-00
Doc # 4.02.25
Rev. 2
Insufficient compression.
Engine damage.
Check for loss of pressure;
carry out repair if necessary.
Inspect oil tank for metal
particles; in case of presence,
engine overhaul might be
required.
Engine idles unsteadily after
warm up, black exhaust gas.
Intake manifold leaky. Tighten all connectors, replace
defective parts.
Engine runs irregularly or
misfires occasionally.
Spark plugs do not fire.
Spark discharge over ignition
wires.
Defective ignition box.
Clogged fuel filter.
Check plugs, clean inside and
outside, adjust electrode gap;
Replace plugs if necessary.
Dry wet wires; replace
defective wires.
Have box repaired or replace
box.
Clean.