Deutz BF6M1012E Troubleshooting
| Engine Model: Deutz BF6M1012E |
| Engine Type: 4-stroke in-line 6-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 292.2 cu.in (4.79 L) |
| Rated Engine Power: 133 Hp (98 kW) at 2500 rpm |
| Fuel System Type: Direct injection |
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| Diesel hard to start or doesn't start |
Fuel filter element is clogged - Service the filter.
Air in the fuel lines - Bleed the fuel lines.
Dirty or damaged injection nozzles - Clean or change injection nozzles.
Damaged fuel injection pump - Install a new pump or rebuild.
Valve timing is wrong - Set the valve timing correctly.
Dirt in the fuel lines or hoses - Clean or change fuel pipes.
Wrong injection timing - Adjust as recommended.
Damaged piston rings and cylinder - Change faulty components.
| Diesel starts and suddenly stops |
Fuel filter element is dirty - Service the filter.
Fuel injection pump malfunctioning - Rebuild or replace pump.
Intake air restriction - Replace air filter element.
Nozzle opening pressure is incorrect - Set it correctly.
| Engine stalls during operation |
Incorrect adjustment of fuel injection pump timing - Check the fuel injection pump timing adjustment.
Clogged fuel filter - Filter maintenance required.
Low coolant temperature - Warm up engine as required.
Defective or stuck injection nozzles - Service or change injection nozzles.
| Engine shuts off while idling |
Improperly adjusted low idle speed - Normalize low idle speed.
Valve clearance is not correct - Adjustment procedure required.
Fuel injection pump failure - Replace injection pump or repair it.
Dirty or faulty injection nozzles - Clean or replace injection nozzles.
Fuel hoses or lines are clogged - Fuel hoses and lines must be clean.
Plugged air cleaner - Air filter maintenance required.
Cylinder head gasket is damaged - Gasket should be replaced.
Incorrect injection timing - Adjust as recommended.
Fuel injection pump failure - Rebuild or replace pump.
One of moving engine components has failed - Replace or repair damaged components.
Radiator fins are dirty or radiator cap is defective - Clean radiator or change cap.
Lack of coolant in cooling system - Add coolant fluid to cooling system and also check it for leaks.
Fan belt is broken or worn - Replace the fan belt.
Lack of engine oil - Fill up the engine oil.
Worn cylinder head gasket - Replace the gasket as required.
Improper injection timing - Adjust as recommended.
| Oil pressure is insufficient |
Engine oil insufficient - Check oil level and add oil as required.
Oil pump malfunction - Install a new pump.
Oil filter clogged - Clean or change engine oil filter.
Relief valve is seized or worn - Replace or service relief valve.
Excessive oil clearance of crankshaft bearing - Inspect and replace or repair faulty components.
Excessive oil clearance of crankpin bearing - Inspect and replace or repair faulty parts.
| Diesel engine using too much oil |
Oil leakage: Worn gaskets or seals - Replace worn parts to avoid leaks.
Crankcase oil too light - Fill up with the proper oil viscosity.
Seized or wear piston rings - Replace piston rings.
Worn valve stems and valve guides - Valves replacement required.
Cylinder liners or pistons are scuffed - Inspect liners and pistons, replace as necessary.
Coolant temperature is low - Warm up to required temperature.
Not enough engine oil - Add oil to the engine crankcase.
Incorrect adjustment of fuel injection pump timing - Adjust as recommended.
Pistons are broken or worn - Replace the pistons.
Connecting rod failure or misalignment - Align or replace connecting rod.
Low battery power - Charge the battery.
Battery won’t hold charge - Service charging system or install new battery.
Battery cables are disconnected or terminals are faulty - Check cable connections and change or clean terminals.
Battery is drained or worn - Charge or change the battery.
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required.
Low battery output - Low battery charging, charge as required.
Starter motor failing - Repair or replace starter.
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