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6A4-4 ENGINE MECHANICAL (J20 ENGINE)
ON-VEHICLE SERVICE
COMPRESSION CHECK
Check compression pressure on all 4 cylinders as follows:
1) Warm up engine.
2) Stop engine after warming up.
3) Disconnect accelerator cable from clamp (For LH steering ve-
5
4) Disconnect ignition coil couplers.
5) Remove ignition coils.
6) Remove all spark plugs.
7) Disconnect fuel injector wires at the coupler.
1. Ignition coil
2. Spark plug
3. Accelerator cable
4. Clamp
5. Coupler for injectors
8) Install special tool (Compression gauge) into spark plug hole.
9) Disengage clutch (to lighten starting load on engine) for M/T ve-
NOTE:
After warming up engine, place transmission gear shift le-
ver in "Neutral" (shift selector lever to "P" range for A/T
model), and set parking brake and block drive wheels.
hicle only).
Special Tool
(A): 09915-64510-001
(B): 09915-64510-002
(C): 09915-64530
(D): 09915-67010
hicle, and depress accelerator pedal all the way to make throttle
fully open.
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