Toyota Celica 2005, Repair Manual

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A21775
1.0 to 1.3 mm
(0.039 to 0.051 in.)
DI − 168
− DIAGNOSTICS ENGINE (1ZZ − FE)
2005 CELICA (RM1131U)
5 Check spark plug and spark of misfiring cylinder.
PREPARATION:
(a) Disconnect the ignition coil assembly.
(b) Remove the spark plug.
CHECK:
(a) Check for carbon deposits on electrode.
(b) Check the spark plug type (See page IG − 1).
(c) Check electrode gap.
OK:
(b) No large carbon deposit present.
Not wet with gasoline or oil.
(c) Electrode gap: 1.0 to 1.3 mm (0.039 to 0.051 in.)
NOTICE:
If adjusting the gap of a new spark plug, bend only the base/
ground” electrode. Do not touch the tip. Never attempt to
adjust the gap on a used plug.
PREPARATION:
(a) Install the spark plug to the ignition coil assembly.
(b) Disconnect the injector connector.
(c) Ground spark plug.
CHECK:
Check if spark occurs while engine is being cracked.
CAUTION:
Always disconnect each injector connector.
NOTICE:
Do not crank the engine for more than 2 seconds.
OK:
Spark jumps across electrode gap.
OK Go to step 8.
NG
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