Suzuki WagonR+ RB310 Service Manual page 600

Condition
Improper engine
Faulty spark plug
idling or engine fails
to idle
Leaky or disconnected high-tension cord
Faulty ignition coil with ignitor
Fuel pressure out of specification
Leaky manifold, throttle body, or cylinder head
gasket
Malfunctioning EGR valve
Faulty idle air control system
Faulty evaporative emission control system
Faulty EGR system
Faulty fuel injector(s)
Poor performance of ECT sensor, TP sensor
or MAF sensor
Faulty ECM
Loose connection or disconnection of vacuum
hoses
Malfunctioning PCV valve
Engine overheating
Low compression
VVT system out of order
ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-29
Possible Cause Reference Item
"Spark Plugs Inspection" in Section
6F2.
"High-tension Cords Inspection" in Sec-
tion 6F2.
"Ignition Coil Assembly (Including Igni-
tor) Inspection" in Section 6F2.
"Table B-3 Fuel Pressure Check" in this
section.
"EGR Valve Inspection" in Section 6E2.
"Table B-4 Idle Air Control System
Check" in this section.
"Evaporative Emission Control System
Inspection" in Section 6E2.
"EGR Valve Inspection" in Section 6E2.
"Table B-1 Fuel Injector Circuit Check"
in this section.
"TP Sensor On-Vehicle Inspection",
"ECT Sensor Inspection" or "Mass Air
Flow (MAF) and Intake Air Temperature
(IAT) Sensor Inspection" in Section
6E2.
"PCV System Inspection" in Section
6E2.
"Overheating" in this section.
"Compression Check" in Section 6A2.
"Oil Control Valve Inspection" in Section
6E2.