Cat C16 Troubleshooting
| Engine Model: Caterpillar C16 |
| Engine Type: 4-cycle inline 6-cylinder direct injection EUI ADEM liquid-cooled diesel |
| Total Displacement: 965 cu.in (15.8 L) |
| Rated Engine Power: 400-700 Hp (298-522 kW) at 2100 rpm |
| Aspiration Type: Turbocharged |
____________________________________________________________________________________
| Engine starts hard or will not start |
Dirty fuel filter - Service or replace the filter.
Air in the fuel system - Air bleeding.
Fuel injection nozzles are damaged - If necessary, replace with a new nozzle.
Fuel injection pump is damaged - Replace or repair injection pump.
Unadjusted valve timing - Adjust or replace timing gear.
Restricted fuel pipes - Service fuel pipes.
Injection timing is out of adjustment - Set the injection timing correctly.
Damaged piston rings and cylinder - Change faulty parts.
| Engine starts but stalls suddenly |
Fuel filter element is clogged - Change filter element.
Fuel injection pump damage - Rebuild or change fuel pump.
Air filter plugged - Carry out maintenance on air filter.
Nozzle opening pressure is incorrect - Set it correctly.
| Engine shuts off suddenly during operation |
Fuel injection timing is not adjusted - Adjust as recommended.
Dirty fuel filter - Change filter element.
Engine is not fully warmed up - Warm up the engine.
Injection nozzles are burnt or jammed - Check injection nozzles and replace if required.
| Engine stops at low idle speed |
Incorrectly adjusted low idle speed - Test and adjust.
Valve out of adjustment - Adjust to proper valve clearance.
Fuel injection pump damage - Rebuild or change fuel pump.
| Diesel engine loses power |
Fuel injection nozzles are faulty or clogged - Replace injection nozzles.
Clogged fuel lines or hoses - Fuel hoses and lines must be clean.
Air filter element clogged - Service air cleaner.
Cylinder head gasket is defective - Install new cylinder head gasket.
Injection timing is incorrect - Adjust injection timing as required.
Fuel injection pump is broken - Replace or repair injection pump.
Any of moving engine parts is worn - Replace or repair damaged components.
Clogged radiator fins or damaged radiator cap - Change cap or clean radiator.
Insufficient coolant fluid - Add coolant fluid and inspect the cooling system for leaks.
Loose or defective fan belt - Change the fan belt.
Engine oil level low - Check and refill engine oil.
Cylinder-head gasket is leaking - Replace the gasket as required.
Injection timing is improper - Set the injection timing correctly.
| Insufficient oil pressure |
Oil level is low - Add oil as required.
Oil pump is damaged - Install a new pump.
Dirty oil filter element - Clean or replace engine oil filter element.
Stuck or worn relief valve - Replace or clean relief valve.
Clearance of crankshaft bearing is excessive - Check and change or repair defective parts.
Crankpin bearing clearance is excessive - Inspect and replace or repair faulty components.
| Engine oil consumption is too high |
Oil leakage: Damaged seals or gaskets - Change to repair leaks.
Wrong oil viscosity - Use proper viscosity oil.
Worn or broken piston rings - Change piston rings.
Damaged valve guides or valve stems - Valves must be replaced.
Pistons or cylinder liners are scuffed - Inspect liners and pistons, replace as necessary.
Low coolant temperature - Warm up the engine.
Engine oil level low - Add oil to the engine crankcase.
Timing of fuel injection pump is incorrect - Set up as recommended.
Pistons are worn or scored - Replace the pistons.
Faulty or misaligned connecting rod - Alignment procedure or replacement is required.
Low battery power - Battery is drained, recharge it.
Battery drains quickly - Service battery or replace it.
Battery terminals are corroded or wires are disconnected - Check battery wires and service or replace terminals.
Battery is drained or worn - Change or recharge battery.
Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required.
Low battery output - Battery is drained, charge it.
Starter motor is faulty - Starter should be changed.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
