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| Home / Car Engines / Toyota Engines / Toyota 22R-TE |
Toyota 22R-TE Troubleshooting
| Engine starts hard or doesn't start |
Fuel tank is empty - Fill gasoline up.
Improper fuel grade - Change gasoline.
There is air in the fuel system - Bleed the system.
Faulty spark plug wire connection - Check the spark plug wire connection, repair or replace.
Faulty spark plug - Spark plug need to be replaced.
Defective ignition system - Check ignition and replace faulty components.
Dirty fuel filter - Replace fuel filter.
Fuel lines clogging - Service fuel lines.
Fuel pump is faulty or clogged - Test fuel pump and replace if necessary.
Fuel injectors are damaged or dirty - Clean or change fuel injectors.
Poor cylinder compression - Check cylinder block and change worn parts.
| Unstable engine running |
Ignition failure - Test ignition and replace failed parts.
Clogged air filter - Clean or replace air filter.
Spark plug is damaged - Change spark plug as required.
Dirty or faulty fuel pump - Clean or change fuel pump.
Incorrect valve clearance - Adjust valve clearance according to specifications.
Ignition timing is improper - Adjust ignition timing as required.
Incorrectly adjusted low idle speed - Correct idle adjustment.
| Engine starts and stalls suddenly |
Faulty spark plug - Change spark plug.
Dirty or faulty fuel injectors - Inspect fuel injectors and change as required.
Defective ignition coil - Ignition coil must be replaced.
Valve springs are bad or broken - Change valve springs.
Valves sticking - Clean the valves.
| Engine is overheated |
Engine oil level is low - Fill up the oil to required level.
Engine is overloaded - Load reducing required.
Clogged fuel injectors - Check fuel injectors and clean if necessary.
Improper ignition timing - Ignition timing needs to be adjusted correctly.
Valve setting is improper - Valves needs to be set correctly.
Clogged radiator fins or damaged radiator cap - Clean radiator or replace cap.
Not enough coolant - Top up coolant fluid and check system for leaks.
Faulty thermostat - Thermostat need to be replaced.
Water pump malfunction - Replace water pump.
| Engine noises or knocks |
Stale or low octane fuel - Use proper gasoline.
Engine is under excessive load - Load reducing required.
Engine oil level low - Need to add engine oil.
Low idle speed setting is incorrect - Correct idle adjustment.
Fuel pump is faulty or clogged - Test fuel pump and change if necessary.
Main bearings or crankshaft wear - Have bearings or crankshaft replaced.
Incorrect valve clearance - Adjust to proper valve clearance.
Worn piston rings or cylinder bore - Replace faulty components.
| Low engine power |
Dirty or defective fuel injectors - Inspect fuel injectors and change as required.
Air filter element is clogged - Change or service air filter.
Clogged or damaged fuel pump - Clean or change fuel pump.
Defective ignition system - Inspect ignition system and change failed components.
Cylinder head gasket is worn - Replace the head gasket.
Valves are stuck or burned - Replace or service valves.
Cylinder block components are worn - Replace defective parts.
Oil filter element is plugged - Service or change oil filter.
| Engine using too much gasoline |
Clogged air filter - Clean or change air filter.
Dirty or defective fuel injectors - Clean or replace fuel injectors.
Loose or defective spark plug - Spark plug need to be replaced or tightened.
Ignition timing is improper - Ignition timing needs to be set properly.
Valves are worn, burned or stuck - Clean or change valves.
Sleeve, rings, or piston are damaged - Replace defective parts.
Valve clearance is wrong - Need to adjust valve clearance.
Bad compression - Check and change damaged parts.
| High engine oil consumption |
Gaskets or seals may be damaged - Install new components.
Valve guides and stems are worn - Valves need to be changed.
Worn or broken piston rings - Install new piston rings.
Worn piston or cylinder liner - Inspect liner and piston, change as necessary.
| Engine backfires |
Fuel injectors are clogged - Check fuel injectors and clean if necessary.
Fuel lines clogging - Service fuel lines.
Incorrect ignition timing - Ignition timing needs to be set properly.
Valve setting is improper - Set the valves properly.
Air filter element is clogged - Change or service air filter.
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