ENGINE MECHANICAL (M13 ENGINE) 6A2-9
Compression pressure
10) Carry out Steps 7) through 9) on each cylinder to obtain 4
readings.
11) After checking, install spark plugs and ignition coil assem-
blies (1) with high-tension cord (2).
12) Connect ignition coil couplers (3).
13) Connect fuel injector wires(4) at the coupler.
Engine Vacuum Check
The engine vacuum that develops in the intake line is a good indi-
cator of the condition of the engine. The vacuum checking proce-
dure is as follows:
1) Warm up engine to normal operating temperature.
2) Stop engine and turn off the all electric switches.
NOTE:
• For measuring compression pressure, crank engine at
least 250 rpm by using fully charged battery.
• If measured compression pressure is lower than limit
value, check installation condition of special tool. If it
is properly installed, possibility is compression pres-
sure leakage from where piston ring or valve contact.
Standard 1400 kPa
(14.0 kg/cm
2
, 199.0 psi)
Limit 1100 kPa
(11.0 kg/cm
2
, 156.0 psi)
Max. difference between
any two cylinders
100 kPa
(1.0 kg/cm
2
, 14.2 psi)
NOTE:
After warming up engine, be sure to place transaxle gear
shift lever in “Neutral” (shift selector lever to “P” range
for A/T model), and set parking brake and block drive
wheels.
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