Spark Plugs Inspection; Removal And Installation - Mazda 626 MX-6 Workshop Manual

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SPARK PLUGS
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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, not the wire.
2. Tighten the spark plugs to the specified torque.
Tightening torque:
15—23 N m
(1.5—2.3 m-kg, 10.8—16.6 ft-lb)
86U05X-042
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.
Plug gap: 1.0—1.1 mm (0.039—0.043 in)
86U05X-043