Installation Instructions

1. General Information
1-14
C. Engine runs sluggish (especially
in low speed and idling)
D. Engine runs sluggish (High
speed)
Check and adjustment Fault condition Probable causes
Check ignition timing
(using ignition lamp)
Normal
Abnormal
1. Abnormal throttle body insulator gasket.
2. Abnormal throttle body installation
3. Abnormal inlet pipe gasket
4. Damaged ABV pipe
No air sucked in
Air sucked in
Check for any air sucked in through
the throttle body insulator gasket
Good spark Poor spark
Remove the spark plug
and check the spark
condition
Check the fuel pump
supply condition
Good Poor
Normal Clogged
1. Replace the fuel injector
1. Incorrect ignition timing
(malfunction of
ECU
or AC
1. Contaminated spark plug
2. Malfunction of ECU
3. Malfunction of AC Generator
4. Malfunction of ignition coil
5. Open or short circuit in spark
plug leads
6.
Malfunction of main switch
Check ignition timing
Check and adjustment Fault condition Probable causes
Normal Abnormal
1. Malfunction of ECU
2. Malfunction of AC Generator
1. Insufficient fuel in the fuel tank
2.
Pressed or clogged fuel pipe
Check if fuel injector
clogged
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