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Section 06 ELECTRICAL SYSTEM
Subsection 01 (IGNITION SYSTEM)
If
nothing happens
when the start button is
pressed, refer to the
STARTING SYSTEM
section.
If the starter rotates the engine and there is
no
spark indicated
by the tester, follow the ignition
system troubleshooting sequence as indicated.
If the inductive spark tester indicates ignition to
the spark plug, install a new spark plug.
If a known good spark plug does not solve the
problem, continue testing the other system com-
ponents. The ignition spark may not be correct
due to other system components being out of tol-
erance.
NOTE:
Keep in mind that even if there is a spark
during this static test, the voltage requirement to
produce a spark in the combustion chamber is
higher when the engine is running. The ignition
coil may not be functioning properly. Replacing
the ignition coil may be necessary as a test.
Spark Plug Removal
Remove the LH side panel, refer to the
BODY
sec-
tion.
Disconnect the spark plug cable.
vmr2008-137-008_a
1. Remove spark plug cable
Clean the area around the spark plug with pressur-
ized air.
vmr2008-137-009_a
CLEAN AREA AROUND SPARK PLUG
Using an approved spark plug socket, release the
spark plug torque.
A00E0BA
2
1
1. Proper socket
2. Improper socket
Remove wrench and socket from the spark plug
and unscrew it by hand.
Troubleshooting a Fouled Spark Plug
Fouling of the spark plug is indicated by irregular
running or misfiring of the engine, decreased
engine speed due to misfiring, reduced perfor-
mance, and increased fuel consumption. This
may be due to a loss of compression.
Other possible causes are: a clogged air filter, in-
correct or bad fuel, defective ignition system, in-
correct spark plug gap, lubricating oil entering the
combustion chamber, or use of a spark plug with a
temperature rating too cold for the engine require-
ment.
The plug face of a fouled spark plug has either a
wet or dry black carbon deposit. Such coatings
form a conductive connection between the center
electrode and the ground electrode.
264
vmr2008-137
Содержание Outlander 400 EFI 2008
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