Suzuki SY413 Service Manual page 2626

Condition
Excessive Ignition system out of order
D Faulty spark plug
hydrocarbon (HC)
D Leaky or disconnected high-tension cord
emission or carbon
D Faulty ignition coil with ignitor
monoxide (CO)
Low compression
Engine and emission control system out of
order
D Lead contamination of three way catalytic
D Faulty evaporative emission control system
D Fuel pressure out of specification
D Closed loop system (A / F feed back
D Faulty injector(s)
D Faulty ECM (PCM)
Others
D Engine not at normal operating temperature
D Clogged air cleaner
D Vacuum leaks
Excessive nitrogen Ignition system out of order
D Improper ignition timing
oxides (NOx)
emission
Engine and emission control system out of
order
D Lead contamination of catalytic converter
D Faulty EGR system (if equipped)
D Fuel pressure out of specification
D Closed loop system (A / F feed back
D Faulty injector(s)
D Faulty ECM (PCM)
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G13/G16 ENGINE WITH WU TWC) 6-1-27
Possible Cause
converter
compensation) fails
– Faulty TP sensor
– Poor performance of ECT sensor or MAP
sensor
compensation) fails
– Faulty TP sensor
– Poor performance of ECT sensor or MAP
sensor
Referring Item
Spark plugs in Section 6F1
High-tension cords in Section 6F1
Ignition coil assembly in Section
6F1
Refer to "Low compression"
section.
Check for absence of filler neck
restrictor
EVAP control system in Section 6E2
Diagnostic Flow Table B-3
TP sensor in Section 6E2
ECT sensor or MAP sensor in
Section 6E2
Diagnostic Flow Table B-1
See section 6F1
Check for absence of filler neck
restrictor
EGR system in Section 6E2
Diagnostic Flow Table B-3
TP sensor in Section 6E2
ECT sensor or MAP sensor in
Section 6E2
Diagnostic Flow Table B-1