Inspection - Mazda 323 1988 Workshop Manual

Mazda 323 1988
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SPARK
PLUGS,
HIGH-TENSION
LEADS
5
Plug
Wear and adhesion or carbon
/
gap
SPARK
PLUGS
REMOVAL AND INSTALLATION
Note the following points:
1. When the spark plug lead is to be pulled off, be
sure to pull the boot itself, and not the wire.
2. Tighten the spark plugs to the specified torque.
Spark plug tightening
torque:
14-23
N-m
(1.5-2.3
m-kg, 10.8-16.6
ft-lb)
INSPECTION
Check the following points. If a problem is found, re-
place the spark plug.
1. Damaged insulation
2. Worn electrodes
3. Carbon deposits
If cleaning is necessary, use a plug cleaner or a
wire brush. Clean the upper insulator also.
4. Damaged gasket
5. Burnt spark insulator
If it is black with carbon deposits, either misfiring
due to improper proportions of gas and air, or over-
heating of the plug may have occurred.
Plug gap: 1.0-1.1
mm (0.039-0.043
In)
HIGH-TENSION
LEADS
INSPECTION
Use an ohmmeter to measure the resistance.
Resistance:
16 kQ per 1 m (3.28 ft)
323 Revised 10107
5-29

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