Mitsubishi D06FRC-TAA Troubleshooting
| Engine Model: Mitsubishi D06FRC-TAA |
| Engine Type: 4-cycle inline 6-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 389 cu.in (6.37 L) |
| Rated Engine Power: 157 Hp (117 kW) at 1800 rpm |
| Fuel System Type: Common rail fuel injection |
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| Engine starts up hard or doesn't start |
Clogged fuel filter - Clean or replace the filter.
Air in the fuel lines - Bleed the fuel lines.
Fuel injection nozzles are damaged - Change fuel injection nozzles.
Fuel injection pump is broken - Change pump or rebuild it.
Valve timing is wrong - Use correct valve timing adjustment.
Clogged fuel pipes - Clean fuel pipes.
Incorrect injection timing - Adjust injection timing as required.
Piston rings and cylinder are worn - Change faulty parts.
| Engine stalls after starting |
Fuel filter plugged - Clean the filter element.
Fuel injection pump damage - Repair or replace injection pump.
Air cleaner is dirty - Replace air filter element.
Nozzle opening pressure is improper - Adjust as required.
| Engine stops running suddenly |
Fuel injection timing is not adjusted - Adjust according to specifications.
Fuel filter plugged - Service the filter.
Engine is cold - Warm up to required temperature.
Injection nozzles sticking or clogged - Repair or replace injection nozzles.
Improperly adjusted low idle speed - Normalize low idle speed.
The valve clearance is not adjusted - Adjust to proper valve clearance.
Fuel injection pump is not working correctly - Repair or replace injection pump.
Fuel injection nozzles are damaged or dirty - Install a new kit of correctly balanced nozzles.
Fuel hoses or lines are dirty - Fuel lines and hoses need to be cleaned.
Restricted intake air - Service air cleaner.
Blown cylinder head gasket - Replace cylinder head gasket.
Injection timing is wrong - Check injection timing adjustment.
Fuel injection pump is defective - Repair or install new pump.
One of moving engine parts has broken - Repair or replace defective components.
Radiator fins are dirty or radiator cap is defective - Replace cap or clean radiator.
Engine coolant is insufficient - Refill to the correct level and inspect system for leaks.
Loose or defective fan belt - Replace the fan belt.
Low engine oil level - Fill up the engine oil.
Defective cylinder head gasket - Gasket should be replaced.
Injection timing is wrong - Adjust as recommended.
Low crankcase oil level - Add oil as required.
Worn oil pump - Repair or change.
Oil filter clogging - Service or change engine oil filter element.
Worn or dirty relief valve - Replace or clean relief valve.
Excessive oil clearance of crankshaft bearing - Inspect and replace or repair faulty components.
Excessive crankpin bearing clearance - Check and replace or repair defective parts.
| Excessive engine oil consumption |
Oil leakage: Seals or gaskets are wearing excessively - Defective components must be replaced.
Wrong oil viscosity - Use oil of correct viscosity.
Stuck or defective piston rings - Replace piston rings.
Worn valve guides and valve stems - Valves must be replaced.
Scored pistons or cylinder liners - Check pistons and liners, change as required.
| Engine knocking sound or abnormal noise |
Engine is not fully warmed up - Warm up engine as required.
Engine oil insufficient - Fill up the engine oil.
Improper setting of fuel injection pump timing - Set the fuel pump timing correctly.
Scored or worn pistons - Install new pistons.
Misaligned or faulty connecting rod - Need to change or align the connecting rod.
Low battery output - Charge the battery.
Battery is not holding charge - Service or replace the battery.
Faulty battery terminals or disconnected cables - Connect wiring correctly or install new terminals.
Battery is drained or defective - Charge or replace the battery.
Battery cables are disconnected or incorrectly connected - Check cables and connect as needed.
Battery power is low - Battery needs to be recharged.
Damaged starter motor - Change or repair starter.
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