Datsun C210 series - Page 29

Engine
Tune
up
EMISSION
TROUBLE
SHOOTING
EXCESS HC OR
CO EMISSION IN
EXHAUST GASES
On
receiving
malfunctioning
car
check
exhaust
gas
concentration
and engine running
condition
and
record results
l
Check
air
cleaner
for
clogging
Check Ooat
level
Check
carburetor for
clogging
Adjust ignition
timing
and
idle CO
Check
ignition spark
Good
No
good
Check
automatic
choke
No
good
Good
Check emission
control
system
I
R C O D
Dash
pot
Goud
No
good
Check intake manifold for
leakage
Good
No
good
Others
Is dukh
slipping
AllY
oven
ooling
Any
overheating
Is
running
resistance
excessive
Is tire
pressure proper
Is
proper gasoline
used
Is
CO and
He
measur
d
by
correct methods
Note Each time a
problem
is located make the
necessary
repairs
or
replacement
and
then
check
the
CO and
HC
concentration
When
the concentration
is down to
the
prescribed
level
and the
engi
e
is still
running
in
good
condition the work
can be considered as
being
com
pleted
I
Check
distributor
point
Check
ignition
coil
Check
spark plug
wires
Check
spark
plugs
1
Adjust
1
Refcr 10 Emission Conlrul
Systclll
Sedion
1
Repair
ET 19