YH4
GRAND
VITARA
6-1-36
ENGINE (H25 ENGINE)
Condition
Possible Cause
Reference Item
Overheating
Inoperative thermostat
Poor water pump performance
Clogged or leaky radiator
Improper engine oil grade
Clogged oil filter or oil strainer
Poor oil pump performance
Dragging brakes
Slipping clutch
Blown cylinder head gasket
Thermostat in Engine Cooling
section.
Water pump in Engine Cooling
section.
Radiator in Engine Cooling section.
Engine oil and oil filter change in
Maintenance and Lubrication
section.
Oil pressure check in Engine
Mechanical section.
Oil pressure check in Engine
Mechanical section.
Diagnosis in BRAKES section.
Diagnosis in Clutch section.
Cylinder head inspection in Engine
Mechanical section.
Poor gasoline
mileage
Ignition system out of order.
Faulty spark plug (improper gap, heavy
deposits, and burned electrodes, etc.)
Engine and emission control system out
of order.
Fuel pressure out of specification
Faulty TP sensor, ECT sensor or MAF
sensor
Faulty EGR system
Faulty injector
Faulty ECM (PCM)
Low compression
Others
Poor valve seating
Dragging brakes
Slipping clutch
Thermostat out of order
Improper tire pressure
Spark plugs in Ignition System
section.
Diag. Flow Table B-3 in this section.
TP sensor, ECT sensor or MAF
sensor in Engine and Emission
Control System section.
DTC P0400 Diag. Flow Table in this
section.
Fuel injector in Engine and Emission
Control System section.
Inspection of ECM (PCM) and its
circuit in this section.
Previously outlined.
Valves inspection in Engine
Mechanical section.
Diagnosis in Brake section.
Diagnosis in Clutch section.
Thermostat in Engine Cooling
section.
Excessive engine oil
consumption
Oil entering combustion chamber
Sticky piston ring
Worn piston and cylinder
Worn piston ring groove and ring
Improper location of piston ring gap
Worn or damaged valve stem seal
Worn valve stem
Piston cleaning in Engine
Mechanical section.
Cylinders, pistons and piston rings
inspection in Engine Mechanical
section.
Pistons and piston rings inspection in
Engine Mechanical section.
Pistons installation in Engine
Mechanical section.
Valves and cylinder head in Engine
Mechanical section.
Valves inspection in Engine
Mechanical section.
Содержание 2000 Grand Vitara SQ416
Страница 75: ...ENGINE DIAGNOSIS G16 J20 ENGINES 6 71 Fig 1 for Step 3...
Страница 179: ...6 1 68 ENGINE H25 ENGINE a Fig for STEP 2 3 a HO2S heater relay...
Страница 190: ...ENGINE H25 ENGINE 6 1 79 a Fig for STEP 2 3 a HO2S heater relay...
Страница 205: ...6 1 94 ENGINE H25 ENGINE Fig for STEP 4 1 Disconnected CMP sensor coupler 2 BI B wire terminal 3 Gr Y wire terminal...
Страница 541: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES G16 ENGINE...
Страница 542: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 5...
Страница 543: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES J20 ENGINE...
Страница 544: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 7...
Страница 549: ...Or W Bl G Bl Y C51 1 22 C51 1 23 C51 1 10 C51 1 11 6E1 12 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Страница 552: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 15...
Страница 592: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Страница 593: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 5...
Страница 597: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 9...
Страница 661: ...IGNITION SYSTEM FOR J20 H25 ENGINES 6F2 13 INSTALLATION For installation reverse removal procedure...
Страница 723: ...6H 30 CHARGING SYSTEM 17 Make sure that rotor turns smoothly...
Страница 729: ...Prepared by Overseas Service Department 1st Ed April 2000 Printed in Japan Printing April 2000 736...