Sorry for dropping the ball on this. Hope it is not too late.
INSPECT COMPRESSION
(a) Warm up and stop the engine.
(b) Remove the No. 1 engine cover (see page EM-22).
(c) Remove the 4 ignition coils (see page IG-9).
(d) Remove the 4 spark plugs.
(e) Disconnect the 4 fuel injector connectors.
(f) Set SST and a compression gauge.
SST 09992-00500
(g) Insert the compression gauge into the spark plug
hole.
(h) While cranking the engine, measure the
compression pressure.
Standard compression pressure:
1,300 kPa (13.3 kgf/cm2, 189 psi)
Minimum pressure:
1,000 kPa (10.2 kgf/cm2, 145 psi)
Standard difference between each cylinder:
100 kPa (1.0 kgf/cm2, 14 psi)
NOTICE:
• Always use a fully charged battery to obtain
an engine speed of 250 rpm or more.
• Check the other cylinders' compression
pressures in the same way.
• This measurement must be done as quickly
as possible.
If the cylinder compression is low, pour a small
amount of engine oil into the cylinder through the
spark plug hole and inspect again.
HINT:
• If adding oil increases the compression, the
piston rings and/or cylinder bore may be worn or
damaged.
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