Deutz BF4M1012EC Troubleshooting
| Engine Model: Deutz BF4M1012EC |
| Engine Type: 4-stroke in-line 4-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 194.6 cu.in (3.19 L) |
| Rated Engine Power: 110 Hp (82 kW) at 2500 rpm |
| Fuel System Type: Direct injection |
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| Engine starts up hard or doesn't start |
Fuel filter element clogging - Service or replace the filter.
Air in fuel tank - Bleed fuel tank.
Fuel injection nozzles are damaged or dirty - Check and replace nozzles if required.
Fuel injection pump is broken - Repair or install a new fuel pump.
Valve timing is wrong - Adjust or change timing gear.
Fuel pipes are clogged - Clean or change fuel pipes.
Unadjusted injection timing - Check injection timing adjustment.
Damaged piston rings and cylinder - Replace defective parts.
| Engine stalls after starting |
Fuel filter plugged - Replace filter element.
Fuel injection pump damage - Replacement or repair required.
Air filter clogged - Clean or change.
Improper nozzle opening pressure - Set it correctly.
| Engine stalls after running |
Timing of fuel injection pump is incorrect - Use the correct fuel injection pump timing adjustment.
Fuel filter element clogging - Change filter element.
Engine not warmed up - Warm up engine as required.
Injection nozzles sticking or clogged - Clean or change injection nozzles.
Incorrectly set low idle speed - Adjustment required.
Valve clearance is out of adjustment - Check and adjust as required.
Fuel injection pump damage - Replace or repair injection pump.
Fuel injection nozzles are clogged or faulty - Test injection nozzles and change if necessary.
Restricted fuel lines or hoses - Fuel hoses and lines must be clean.
Intake air restriction - Air filter maintenance required.
Worn cylinder head gasket - Change cylinder head gasket.
Injection timing is improper - Adjust injection timing as required.
Faulty fuel injection pump - Replacement or repair required.
One of moving engine parts is faulty - Change or repair damaged parts.
Dirty radiator core or defective radiator cap - Clean radiator or change cap.
Lack of coolant in cooling system - Fill the cooling system and check components for leaks or other faults.
Broken or loose fan belt - Fan belt must be replaced.
Insufficient engine oil - Check oil level and add oil as required.
Leaking cylinder head gasket - Replace the gasket as required.
Wrong injection timing - Set the injection timing correctly.
Oil level is insufficient - Add oil as required.
Defective oil pump - Remove and inspect oil pump.
Plugged engine oil filter - Replace or service engine oil filter.
Relief valve is defective or dirty - Replace or service relief valve.
Excessive crankshaft bearing clearance - Inspect and replace or repair faulty components.
Excessive oil clearance of crankpin bearing - Check and change or repair defective parts.
| Diesel engine consuming too much oil |
External oil leaks: Gaskets or seals are excessively worn - Change to repair leaks.
Incorrect oil viscosity - Fill up with the proper oil viscosity.
Piston rings are stuck or broken - Have piston rings replaced.
Valve guides or stems are damaged - Replace defective valves.
Pistons or cylinder liners are scuffed - Check liners and pistons, replace as required.
Engine is not warmed up to the required temperature - Warm up the engine.
Engine oil level low - Fill up the oil to required level.
Timing of fuel injection pump is incorrect - Adjust fuel injection pump as required.
Piston wear or scoring - Install new pistons.
Misaligned or faulty connecting rod - Alignment procedure or replacement is required.
Low battery voltage - Recharge the battery.
Battery won’t hold charge - Service battery or replace it.
Disconnected wiring or bad battery terminals - Connect wiring properly or install new terminals.
Battery is drained or defective - Replace or charge as required.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Low battery voltage - Battery needs to be recharged.
Starter motor is faulty - Repair or install a new starter.
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