Mitsubishi MOTORS Eclipse 1997, Service Manual

Page: 395 / 540

(2) Crank the engine and look for spark across the electrodes
of the spark plug.
Repeat the above test for the three remaining spark plug
cables.
If there is no spark during any of the tests, check the
camshaft position sensor and crankshaft position sensor.
(Refer to GROUP
Troubleshooting.)
(3) If one or more tests show irregular, weak, or no spark,
Spark plug
go to the Ignition Coil Inspection and Spark Plug
cable boot
I n s p e c t i o n .
,
PLUG TEST
(1) Remove the spark plug from the engine
it to the spark plug cable boot.
Defective insulation
Defective
ENGINE
System
Engine
SPECIFICATIONS
,
Ignition coil Primary coil resistance
Secondary coil resistance
Spark plug gap (in.)
Spark plug cable resistance
Standard value
Limit
13.5
1.22 1.35 .
O N - V E H I C L E
.
- - - -
The direct ignition system generates approximately
40,000
injury could result from contact
with this system. Wear rubber gloves and
shoes
working on the ignition system.
(1) Remove the cable’from No. 2 spark plug. Insert a clean
spark plug into the spark plug boot, and ground the plug
to the engine.
Caution
Spark plug wire damage may occur if the spark plug
is moved more than
inch) away from the
engine ground.
(2) Ground the spark plug outer electrode (body), and
the engine. Check for spark the
(3) Remove the spark plug from the boot and usually
it for cracks in its
(4) Replace the spark plug if it has a weak spark
detective insulation.
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