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Condition
Spark length
I to 2
rnm
0
039
to
0 079
in
Of
irregular
More
than 6
rnm
0 236
in
Engine
Electrical
System
Location
Probable
cause
Distributor
Point gap too
wide
Non
Cal i f o r n i a
mo
dels
Oil
on
point
Non Cal i f o r n i a
models
Burned
points
Non
California models
Spark
plugs
Spark
plug
gap
too
wide
Too much carbon
Broken neck of insulator
Expiration
of
plug
life
Air gap too
wide
California models
Distributor
Transistor
ignition
unit
California
models
Faulty
transistor
ignition
unit
Corrective
action
Correct
Clean
Replace
Correct
or
replace
Clean
or
replace
Replace
Replace
Correct
Replace
2
Engine
rotates but does
not
run
smoothly
This
may be
caused
by
the
ignition
system
or
other
engine
condi
Hons not
related
to
ignition
Therefore
first
a
complete inspection
of
ignition
system
should
be
carried
out
Condition
Engine
misses
Location
Probable
cause
Distributor
Dirty point Non
California models
Foreign
mattef
on
pick
up
coil California
models
Improper point
gap
Non California
mo
dels
Impropef
air gap
California models
Leak of
electricity
at cap
and
rotor
head
Damaged
insulation of
condenser
Non
California models
Malfunctioning
contact
arm
Non Cali
fornia models
Faulty
contact
arm
spring
Non
Cali
fornia models
Breakage
of lead
wire
Non California
models
Breakage
of
pick
up
coil
lead wire
Cali
fornia models
Worn
or
shaky
breaker
plate
Worn
or
shaky
distributor
driving
shaft
Layer
short circuit
or
inferior
quality
coil
Ignition
coil
High
tension wire
Deterioration
of
insulation
with
con
sequent
leak of
electricity
EE
49
Corrective
ac
ion
Clean
Clean
Correct
Correct
Repair
or
replace
Replace
Oil shaft
Replace
Replace
Replace
Replace
assembly
Replace assembly
Replace
with
good
one
Replace
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