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| Home / Car Engines / Toyota Engines / Toyota 3C-TE |
Toyota 3C-TE Troubleshooting
| Engine difficult to start or won't start |
Dirty fuel filter - Service the filter.
Air in fuel tank - Bleed fuel tank.
Clogged or defective injection nozzles - Clean or replace injection nozzles.
Fuel injection pump is defective - Replace or rebuild injection pump.
Wrong valve timing - Correct or change timing gear.
Restricted fuel pipes - Service fuel pipes.
Improper injection timing - Adjust as recommended.
Worn piston rings and cylinder - Replace faulty components.
| Engine starts but immediately stalls |
Clogged fuel filter - Change filter element.
Fuel injection pump is not operating properly - Replace injection pump or repair it.
Air filter plugged - Air filter maintenance required.
Improper nozzle opening pressure - Adjust as recommended.
| Engine shuts off suddenly while running |
Fuel injection timing is wrong - Adjust fuel injection pump as required.
Fuel filter element is clogged - Change filter element.
Engine is not preheated - Warm up to required temperature.
Injection nozzles are jammed or clogged - Clean or replace injection nozzles.
| Engine shuts off while idling |
Incorrect low idle speed adjustment - Adjust the low idle speed.
Excessive valve clearance - Adjust valve clearance.
Fuel injection pump is broken - Repair or install new pump.
| Loss of engine power |
Fuel injection nozzles fault - Install a new kit of correctly balanced nozzles.
Fuel hoses or lines clogging - Clean fuel lines and hoses.
Air filter element clogged - Change air filter element.
Cylinder head gasket defective - Install a new gasket.
Injection timing is wrong - Adjust as recommended.
Fuel injection pump is defective - Repair or replace injection pump.
One of moving engine components is worn - Repair or replace defective components.
| Engine overheating |
Clogged radiator fins or damaged radiator cap - Clean radiator or change cap.
Not enough coolant - Refill to the correct level and inspect system for leaks.
Fan belt is loose or defective - The fan belt needs to be replaced.
Lack of engine oil - Check oil level and add oil as required.
Damaged cylinder-head gasket - Replace the gasket as required.
Injection timing is wrong - Adjust according to specifications.
| Insufficient oil pressure |
Oil level is low - Checking oil level and add if necessary.
Oil pump is worn or damaged - Inspect and change as required.
Clogged oil filter - Replace or clean engine oil filter element.
Stuck or worn relief valve - Change or clean relief valve.
Excessive crankshaft bearing clearance - Test and replace or repair worn components.
Crankpin bearing clearance is excessive - Inspect and change or repair worn components.
| Excessive oil consumption |
Oil leaks: Seals or gaskets are wearing excessively - To repair leaks, replace worn parts.
Improper oil viscosity - Use proper viscosity oil.
Damaged or seized piston rings - Change piston rings.
Valve guides or stems are damaged - Replace the valves.
Scuffed cylinder liners or pistons - Inspect pistons and liners, change as required.
| Engine knocking sound or abnormal noise |
Engine has not warmed up to the recommended temperature - Warm up engine as required.
Lack of engine oil - Fill the crankcase with engine oil.
Timing of fuel injection pump is incorrect - Check the fuel injection pump timing adjustment.
Broken or worn pistons - Replace the pistons.
Misaligned or defective connecting rod - Connecting rod needs to be aligned or changed.
| Starter turns slow |
Low battery output voltage - Charge the battery.
Battery does not hold charge - Service charging system or replace battery.
Disconnected cables or faulty battery terminals - Connect wiring properly or install new terminals.
| Starter is not working |
Battery is discharged or defective - Replace or charge as required.
Battery cables are disconnected or incorrectly connected - Check cables and connect as needed.
Battery power is low - Battery is drained, charge it.
Damaged starter motor - Replace or repair starter.
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| Engines Technical Specifications |