Deutz BF6M1015C Troubleshooting
| Engine Model: Deutz BF6M1015C |
| Engine Type: 4-stroke V-block 6-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 726 cu.in (11.9 L) |
| Rated Engine Power: 405 Hp (300 kW) at 2100 rpm |
| Fuel System Type: Direct injection |
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| Engine hard to start or won't start |
Dirty fuel filter - Change filter element.
Air in fuel system - Bleed fuel system.
Clogged injection nozzle - Install a new kit of correctly balanced nozzles.
Fuel injection pump is defective - Replace injection pump or repair it.
Valve timing is incorrect - Adjust or replace timing gear.
Clogged fuel pipes - Service or replace fuel pipes.
Injection timing is incorrect - Adjust as recommended.
Piston rings and cylinder are worn - Change faulty components.
| Engine starts and stalls suddenly |
Fuel filter plugging - Clean the filter element.
Fuel injection pump malfunction - Install a new pump or rebuild.
Clogged air filter element - Clean or replace element.
Nozzle opening pressure is incorrect - Adjust as required.
| Engine stalls after running |
Wrong setting of fuel injection pump timing - Set the fuel pump timing correctly.
Fuel filter element is dirty - Clean or replace the filter.
Coolant temperature is low - Warm up the engine.
Injection nozzles are burnt or jammed - Check injection nozzles and replace if required.
Incorrect low idle setting - Correct low idle adjustment.
Excessive valve clearance - Need to adjust valve clearance.
Faulty fuel injection pump - Install a new pump or rebuild.
| Diesel engine is losing power |
Fuel injection nozzles are clogged or faulty - Clean or change injection nozzles.
Clogged fuel lines or hoses - Clean fuel hoses and lines.
Clogged air filter - Service or replace the air filter.
Cylinder head gasket is damaged - Replace the gasket as required.
Injection timing is improper - Set the injection timing correctly.
Fuel injection pump malfunctioning - Rebuild or replace pump.
One of moving engine parts is faulty - Repair or replace defective parts.
Dirty radiator core or defective radiator cap - Replace cap or clean radiator.
Low coolant level - Refill to the correct level and inspect system for leaks.
Fan belt is broken or worn - Change the fan belt.
Not enough engine oil - Check oil level and add oil as required.
Damaged cylinder-head gasket - Install a new gasket.
Incorrect injection timing - Adjust as recommended.
Engine oil insufficient - Check and refill the oil.
Defective oil pump - Check and replace if necessary.
Oil filter clogging - Clean or change engine oil filter.
Stuck or worn relief valve - Relief valve need to be replaced or cleaned.
Crankshaft bearing clearance is excessive - Test and repair or replace worn parts.
Crankpin bearing clearance is excessive - Test and repair or replace worn parts.
| Engine using too much oil |
Oil leaking: Worn seals or gaskets - Replace to repair leaks.
Improper oil viscosity - Use oil of correct viscosity.
Damaged or seized piston rings - Piston rings replacement required.
Valve stems and guides are worn - Change the valves.
Scored pistons or cylinder liners - Inspect liners and pistons, replace as necessary.
| Abnormal engine knocking or noise |
Engine is not fully warmed up - Warm up the engine.
Lack of engine oil - Check and refill engine oil.
Fuel injection pump timing is wrong - Adjust the pump as required.
Pistons are broken or worn - Have pistons replaced.
Connecting rod is not aligned or worn - Connecting rod must be aligned or replaced.
Low battery voltage - Battery needs to be recharged.
Battery drains quickly - Battery needs to be serviced or replaced.
Wires are disconnected or battery terminals are corroded - Check cables and clean or change terminals.
Battery is low or faulty - Replace or charge as required.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Battery voltage is low - Battery is drained, charge it.
Starter motor is faulty - Replace or repair starter.
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