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
California
mo
dels
Oil
on
point
Non
California
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
Condition
Engine
causes
knocking
very
often
Engine
does
not
deliver
enough
power
Location
Spark
plugs
Transistor
ignition
unit
California
models
Distributor
Spark
plugs
Distributor
Spark
plugs
Engine
Electrical
System
Probable
cause
Fouled
Leak
of
electricity
at
upper
porcelain
insulator
Faulty
transistor
ignition
unit
Improper
ignition
timing
too
advanced
Coming
off
or
breakage
of
governor
spring
Worn
pin
or
hole
of
governor
Burnt
too
much
Improper
ignition
timing
too
retarded
Improper
functioning
governor
Point
gap
too
narrow
Non
California
models
Foreign
particles
stuck
in
air
gap
Cali
fornia
models
Fouled
EE
50
Corrective
action
Clean
Repair
or
replace
Replace
Correct
Correct
or
replace
Replace
Replace
Correct
Replace
assembly
Correct
Oean
Oean
