Suzuki 2006 SX4 Service Manual page 97

Condition
Engine has no power
Improper engine idling or
engine fails to idle
Possible cause
Faulty spark plug
Faulty ignition coil with ignitor
Faulty knock sensor
Clogged fuel hose or pipe
Malfunctioning fuel pump
Air drawn in through intake manifold
gasket or throttle body gasket
Engine overheating
Poor performance of ECT sensor or
MAF sensor
Faulty electric throttle body assembly
Faulty APP sensor assembly
Faulty fuel injector(s)
Faulty ECM
Dragging brakes
Slipping clutch (M/T model)
Low compression
Faulty IMT valve actuator
Faulty spark plug
Faulty ignition coil with ignitor
Fuel pressure out of specification
Leaky manifold, throttle body, or cylinder
head gasket
Faulty evaporative emission control
system
Faulty fuel injector(s)
Poor performance of ECT sensor or
MAF sensor
Faulty electric throttle body assembly
Faulty APP sensor assembly
Faulty ECM
Loose connection or disconnection of
vacuum hoses
Malfunctioning PCV valve
Engine overheating
Low compression
Faulty electric load parts (headlight,
blower motor and/or rear defogger)
Faulty generator and/or its circuit
Faulty idle air flow malfunction
Engine General Information and Diagnosis:
Correction / Reference Item
"Spark Plug Inspection in Section 1H"
"Ignition Coil Assembly (Including ignitor)
Inspection in Section 1H"
"DTC P0327 / P0328: Knock Sensor Circuit
Low / High"
"Fuel Pressure Check"
"Fuel Pump and Its Circuit Check"
Check air intake system.
Condition "Engine overheating"
"Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C" or "Mass Air Flow
(MAF) and Intake Air Temperature (IAT)
Sensor Inspection in Section 1C"
"Electric Throttle Body Assembly On-Vehicle
Inspection in Section 1C"
"Accelerator Pedal Position (APP) Sensor
Assembly Inspection in Section 1C"
"Fuel Injector Circuit Check"
"Inspection of ECM and Its Circuits"
"Brakes Symptom Diagnosis in Section 4A"
"Clutch System Symptom Diagnosis in Section
5C"
"Compression Check in Section 1D"
"IMT Valve Actuator Inspection in Section 1C"
"Spark Plug Inspection in Section 1H"
"Ignition Coil Assembly (Including ignitor)
Inspection in Section 1H"
"Fuel Pressure Check"
Check air intake system.
"EVAP Canister Purge Inspection in Section
1B"
"Fuel Injector Circuit Check"
"Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C" or "Mass Air Flow
(MAF) and Intake Air Temperature (IAT)
Sensor Inspection in Section 1C"
"Electric Throttle Body Assembly On-Vehicle
Inspection in Section 1C"
"Accelerator Pedal Position (APP) Sensor
Assembly Inspection in Section 1C"
"Inspection of ECM and Its Circuits"
Check connection or disconnection of vacuum.
"PCV Valve Inspection in Section 1B"
Condition "Engine overheating"
"Compression Check in Section 1D"
"Electric Load Signal Circuit Check"
"Generator Test (Undercharged Battery
Check) in Section 1J"
"Idle Speed and IAC Throttle Valve Opening
Inspection"
1A-53