2
Engine
rotates
but
does
not
run
smoothly
This
may
be
caused
by
the
ignition
Condition
Location
Engine
misses
Distributor
Ignition
coil
High
tension
cable
Spark
plugs
IC
ignition
unit
Engine
causes
knocking
very
often
Distributor
Spark
plugs
Engine
does
not
deliver
enough
power
Distributor
Spark
plugs
Engine
Electrical
System
system
or
other
engine
conditions
not
related
to
ignition
system
Therefore
first
complete
inspection
of
ignition
system
should
be
carried
out
Probable
cause
Foreign
matter
onpicl
up
coil
Improper
air
gap
Leak
of
electricity
at
cap
and
rotor
head
Breakage
of
pick
up
coil
lead
wire
Worn
or
shaky
breaker
plate
Worn
or
shaky
distributor
driVing
shaft
Layer
short
circuit
or
inferior
quality
coil
Deterioration
of
insulation
with
cense
quenlleak
of
electricity
Fouled
Leak
of
electricity
at
upper
porcelain
insulator
Spark
plug
gap
too
narrow
Faulty
IC
ignition
unit
Breakage
of
circuit
Detached
connection
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
Foreign
particles
stuck
in
air
gap
Fouled
EE
38
Corrective
action
Clean
Correct
Repair
or
replace
Replace
Replace
assembly
Replace
aSsembly
Replace
with
good
one
Replace
Clean
Repair
or
replace
Correct
or
replace
Replace
Replace
Repair
Correct
Correct
or
replace
Replace
Replace
Correct
Replace
assembly
Clean
Clean