Mitsubishi Eclipse Workshop Manual page 232

'16-20
IGNITION SYSTEM -
Service Adjustment procedures
Examples
of
abnormal waveforms
Abnormal wavefornr
Wave characteristics
Cause
of
problem
Spark
line
is
high and
short.
Spark plug gap
is too
large.
Spark line
is low
and
long,
and
is
sloping.
Also, the second half
of
the
spark line
is
distorted.
This
could be
a result
of
mis-
firing.
Spark plug gap
is too
small.
Spark
line
is low
and
long,
and
is
sloping. However.
there is almost no spark
line
distortion.
Spark plug gap
is
fouled.
Spark line
is
high and
short Spark
plug cable is
nearly
falling
off.
(Causing a
dual ignitionf
Example
5
No waves
in
wave
damping
section.
Rare short
in
ignition
coil.
@
ltlitrubishi
tlotoB
CorpoEtaon
Apr.
1991
PmrE9010