Fuel supply insufficient - Fill fuel tank.
Air in fuel system - Remove / rectify fuel leakages.
Fuel filter clogged - Replace filter element.
Water in fuel - Drain fuel tank completely and refill with clean diesel.
Fuel pump linkage stuck up - Release it.
Air cleaner clogged - service air cleaner.
Engine hard to turn ?
Wrong grade of lubricating oil - Drain and fill to correct level oil of correct viscosity.
Battery too low to turn engine - Charge / install new battery.
Internal seizure - Hard crank the engine with injector removed, clutch disengaged if engine does turn due to internal seizure, contact the dealer.
Flywheel ring gear teeth broken - Replace ring gear.
Defective starter motor - Rectify / Replace.
Engine has no compression ?
Incorrect tappet clearance - Check & adjust.
Incorrect adjustment of decompression device - Check & adjust.
Worn out piston, rings liner, Valve seat - Replace it.
Leakage through cylinder head & Injector seat - Check & Rectify.
Smoke from Exhaust ?
Air filter clogged - Clean air filter.
Incorrect tappet clearance - Check & Reset.
Incorrect adjustment of decompression device - Check & Rectify.
Defective injector nozzle - Replace.
Excess oil in crankcase - Drain oil to normal level.
Worn out piston rings - Replace.
Engine overloading - Reduce load.
Improper fuel time - Correct it.
Engine lacks power ?
Air in injection system - Rectify.
Fuel filter clogged - Replace filter element.
Worn out fuel injection equipment - Rectify / Replace.
Air filter clogged - Clear air filter.
Engine overheating ?
Lack of cooling air - Clean cooling air inlet and cooling ribs.
Excessive oil in crankcase - Drain oil to normal level.
Irregularity in fuel injection system - Rectify/replace fuel injection equipment.
Excessive load on engine - Reduce load.
Engine stops suddenly.
Fuel tank empty - Fill up fuel & remove air in fuel system.
Fuel filter clogged - Replace.
Vacuum in fuel tank - Clean venting openings in fuel tank cap.
Lack of lubricating oil - Engine seizure-consult dealer.
Excessive lubricating oil consumption.
Worn out piston rings, liner & piston - Consult dealer.
Leakage through cylinder head gasket - Replace.
Leak oil seals - Replace.
Leak drain plug - Replace plug & washer.