1. General Information
1-15
C. Engine runs sluggish (especially
in low speed and idling)
D. Engine runs sluggish (High
speed)
Check ignition timing
(using ignition lamp)
1. Abnormal throttle body insulator gasket.
2. Abnormal throttle body installation
3. Abnormal inlet pipe gasket
4. Damaged ABV pipe
Check for any air sucked in through
the throttle body insulator gasket
Remove the spark plug
and check the spark
condition
Check the fuel pump
supply condition
1. Replace the fuel injector
1. Incorrect ignition timing
(malfunction of ECU or AC
Generator)
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
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