MARUTI SUZUKI Wagon R, Manual

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1A-41 Engine General Information and Diagnosis: Bi-Fuel LPG model
Engine overheating Inoperative thermostat “Thermostat Inspection”: in Section
Poor water pump performance “Water Pump Inspection”: in Section
Clogged or leaky radiator “Radiator On-Vehicle Inspection and
Cleaning”: in Section
Improper engine oil grade “Engine Oil and Filter Change”: in Section
Clogged oil filter or oil strainer “Oil Pressure Check”: in Section 1E
Poor oil pump performance “Oil Pressure Check”: in Section 1E
Faulty radiator cooling fan control
system “Radiator Cooling Fan Control System Check”:
in Section 1F
Dragging brakes “Brakes Symptom Diagnosis”: in Section
Slipping clutch “Clutch System Symptom Diagnosis”: in
Section 5C
Blown cylinder head gasket “Cylinder Head Inspection”: in Section
Air mixed in cooling system “Cooling System Refilling”: in Section 1F
Poor fuel mileage Faulty spark plug (improper gap, heavy
deposits and burned electrodes, etc.) “Spark Plug Inspection”: in Section
High idle speed Condition “Improper engine idling or engine
fails to idle”
Poor performance of ECT sensor or
MAP sensor “ECT Sensor Inspection”: in Section or “MAP
Sensor Inspection”: in Section
Faulty throttle body assembly “Throttle Body On-Vehicle Inspection”: in
Section
Faulty petrol fuel injector(s) and/or LPG
fuel injector(s) “Fuel Injector Circuit Check”: in Section
Faulty ECM “Inspection of ECM and Its Circuit”: Bi-Fuel
LPG model
Faulty LPG control module “Inspection of LPG Control Module and Its
Circuit”: Bi-Fuel LPG model
Low compression “Compression Check”: in Section
Poor valve seating “Valve and Valve Guide Inspection”: in Section
Dragging brakes “Brakes Symptom Diagnosis”: in Section
Slipping clutch “Clutch System Symptom Diagnosis”: in
Section 5C
Thermostat out of order “Thermostat Inspection”: in Section
Improper tire pressure “Tires Description”: in Section 2D
Fuel pressure out of specification “Fuel Pressure Basic Check”: LPG in Section
1G
Excessive engine oil
consumption – Oil
leakage Blown cylinder head gasket “Cylinder Head Inspection”: in Section
Excessive engine oil
consumption – Oil
entering combustion
chamber Sticky piston ring “Cylinder, Piston and Piston Ring Inspection”:
in Section
Worn piston and cylinder “Cylinder, Piston and Piston Ring Inspection”:
in Section
Worn piston ring groove and ring “Cylinder, Piston and Piston Ring Inspection”:
in Section
Improper location of piston ring gap “Cylinder, Piston and Piston Ring Inspection”:
in Section
Worn or damaged valve stem seal “Valve and Valve Guide Inspection”: in Section
Worn valve stem and guide “Valve and Valve Guide Inspection”: in Section
Condition Possible cause Correction / Reference Item