Suzuki Grand Vitara Service Manual page 61

Condition
Engine has no power
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Possible cause
Faulty spark plug
Faulty ignition coil with ignitor
Leaks, loose connection or
disconnection of high-tension cord (for
M16 engine)
Faulty knock sensor
Clogged fuel hose or pipe
Malfunctioning fuel pump
Air drawn in through intake manifold
gasket or throttle body gasket
Engine overheating
Malfunctioning EGR valve
Poor performance of ECT sensor or
MAF sensor
Faulty electric throttle body assembly
Faulty accelerator pedal position (APP)
sensor assembly
Faulty fuel injector(s)
Faulty ECM
Dragging brakes
Slipping clutch (for M/T model)
Low compression
Camshaft position control (VVT) system
out of order (for M16 engine)
Faulty intake manifold tuning vacuum
solenoid valve (for J20 engine)
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Engine General Information and Diagnosis:
Correction / Reference Item
"Spark Plug Inspection: in Section 1H"
"Ignition Coil Assembly (Including ignitor)
Inspection: in Section 1H"
"High-Tension Cord Removal and Installation
(For M16 Engine): in Section 1H"
"DTC P0327 / P0328: Knock Sensor Circuit
Low / High: "
"Fuel Pressure Check: "
"Fuel Pump and Its Circuit Check: "
Condition "Engine overheating"
"EGR Valve Inspection: in Section 1B"
"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: "
Condition "Dragging brakes" in "Brakes
Symptom Diagnosis: in Section 4A"
Condition "Slipping clutch" in "Clutch
(Hydraulic Type) Symptom Diagnosis: in
Section 5C"
"Compression Check: For J20 Engine in
Section 1D" or "Compression Check: For
M16A Engine with VVT in Section 1D"
"Oil Control Valve Inspection: For M16A
Engine with VVT in Section 1D"
"Vacuum Tank Assembly Inspection (For J20
Engine): in Section 1C"
1A-54