Suzuki Grand Vitara JB416 / JB420 / JB419. Service manual - part 28
1A-59 Engine General Information and Diagnosis: For Petrol Engine Model
Engine has no power
Faulty spark plug
“Spark Plug Inspection: For Petrol Engine
Model in Section 1H”
Faulty ignition coil with ignitor
“Ignition Coil Assembly (Including ignitor)
Inspection: For Petrol Engine Model in Section
1H”
Leaks, loose connection or
disconnection of high-tension cord (for
M16 engine)
“High-Tension Cord Removal and Installation
(For M16 Engine): For Petrol Engine Model in
Section 1H”
Faulty knock sensor
“DTC P0327 / P0328: Knock Sensor Circuit
Low / High: For Petrol Engine Model”
Clogged fuel hose or pipe
“Fuel Pressure Check: For Petrol Engine
Model”
Malfunctioning fuel pump
“Fuel Pump and Its Circuit Check: For Petrol
Engine Model”
Air drawn in through intake manifold
gasket or throttle body gasket
Engine overheating
Condition “Engine overheating”
Malfunctioning EGR valve
“EGR Valve Inspection: For Petrol Engine
Model in Section 1B”
Poor performance of ECT sensor or
MAF sensor
“Engine Coolant Temperature (ECT) Sensor
Inspection: For Petrol Engine Model in Section
1C” or “Mass Air Flow (MAF) and Intake Air
Temperature (IAT) Sensor Inspection: For
Petrol Engine Model in Section 1C”
Faulty electric throttle body assembly
“Electric Throttle Body Assembly On-Vehicle
Inspection: For Petrol Engine Model in Section
1C”
Faulty accelerator pedal position (APP)
sensor assembly
“Accelerator Pedal Position (APP) Sensor
Assembly Inspection: For Petrol Engine Model
in Section 1C”
Faulty fuel injector(s)
“Fuel Injector Circuit Check: For Petrol Engine
Model”
Faulty ECM
Dragging brakes
Condition “Dragging brakes” in “Brakes
Symptom Diagnosis in Section 4A”
Slipping clutch (for M/T model)
Condition “Slipping clutch” in “Clutch
(Hydraulic Type) Symptom Diagnosis in
Section 5C”
Low compression
“Compression Check: For J20 Engine in
Section 1D” or “Compression Check: For
M16A Engine with VVT in Section 1D”
Camshaft position control (VVT) system
out of order (for M16 engine)
“Oil Control Valve Inspection: For M16A
Engine with VVT in Section 1D”
Faulty intake manifold tuning vacuum
solenoid valve (for J20 engine)
“Vacuum Tank Assembly Inspection (For J20
Engine): For Petrol Engine Model in Section
1C”
Condition
Possible cause
Correction / Reference Item