Cat C2.2 Troubleshooting
| Engine Model: Caterpillar C2.2 |
| Engine Type: 4-cycle inline 3-cylinder common-rail direct injection liquid-cooled diesel |
| Total Displacement: 134 cu.in (2.2 L) |
| Rated Engine Power: 35-65 Hp (26-48 kW) at 2500 rpm |
| Aspiration Type: Naturally aspirated or turbocharged |
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| Engine starts hard or won't start |
Fuel filter plugging - Change filter element.
Air in the fuel lines - Bleed the fuel lines.
Fuel injection nozzles are damaged - Service or change injection nozzles.
Fuel injection pump is broken - Replace injection pump or repair it.
Valve timing is out of adjustment - Correct or replace timing gear.
Fuel pipes are clogged - Clean fuel pipes.
Injection timing is out of adjustment - Check injection timing adjustment.
Excessive wear of piston rings and cylinder - Change faulty parts.
| Engine starts and then shuts off |
Dirty fuel filter - Clean or change the filter.
Fuel injection pump is defective - Repair or install a new fuel pump.
Clogged air cleaner - Service air cleaner.
Incorrect nozzle opening pressure - Set up as recommended.
| Engine stalls after running |
Incorrect adjustment of fuel injection pump timing - Use the correct fuel injection pump timing adjustment.
Fuel filter plugging - Service the filter.
Engine is not preheated - Warm up to required temperature.
Stuck or burnt injection nozzle - Service or change injection nozzles.
Incorrectly adjusted low idle speed - Adjust low idle speed.
The valve clearance is incorrect - Adjust valve clearance according to specifications.
Fuel injection pump is broken - Replacement or repair required.
| Diesel engine loses power |
Fuel injection nozzles are damaged - Install a new kit of correctly balanced nozzles.
Fuel hoses or lines are dirty - Fuel hoses and lines must be clean.
Plugged air cleaner - Clean or change the filter.
Blown cylinder head gasket - Replace the gasket as required.
Injection timing is out of adjustment - Set up as recommended.
Faulty fuel injection pump - Rebuild or change fuel pump.
Any of moving engine components is faulty - Repair or replace defective parts.
Clogged radiator fins or damaged radiator cap - Clean radiator or replace cap.
Engine has a lack of coolant - Add coolant and check the components of cooling system.
Fan belt slipping or worn - Fan belt must be replaced.
Engine oil level low - Check oil level and add oil as required.
Cylinder head gasket is damaged - Gasket should be replaced.
Injection timing is out of adjustment - Adjust as recommended.
Engine oil insufficient - Checking oil level and add if necessary.
Worn oil pump - Remove and inspect oil pump.
Plugged engine oil filter - Clean or replace engine oil filter element.
Stuck or defective relief valve - Change or clean relief valve.
Crankshaft bearing clearance is excessive - Inspect and change or repair worn components.
Excessive crankpin bearing clearance - Check and change or repair defective parts.
| Engine using too much oil |
Oil leaking: Worn gaskets or seals - Change worn parts according to specifications.
Incorrect oil viscosity - Use proper viscosity oil.
Worn or broken piston rings - Install new piston rings.
Damaged valve stems or valve guides - Valves replacement required.
Cylinder liners or pistons are scored - Check pistons and liners, change as required.
Coolant temperature is low - Warm up to required temperature.
Lack of engine oil - Check and refill engine oil.
Incorrect adjustment of fuel injection pump timing - Use the correct fuel injection pump timing adjustment.
Scored or worn pistons - Install new pistons.
Connecting rod is misaligned or worn - Need to align or replace the connecting rod.
| Starter motor cranks slow |
Low battery power - Low battery charging, charge as required.
Battery will not hold charge - Service or replace the battery.
Terminals are faulty or battery cables are disconnected - Check wiring and clean or replace terminals.
Battery is drained or defective - Charge or replace the battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Low battery power - Low battery charging, charge as required.
Starter motor failing - Change or repair starter.
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