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| Home / Car Engines / Nissan Engines / Nissan CA16 |
Nissan CA16 Troubleshooting
| Engine will not start or hard to start |
Gas tank is empty - Fill it up.
Low-quality gasoline - Use correct fuel grade.
Dirty fuel lines - Inspect and clean.
Damaged spark plug wiring connection - Inspect spark plug wiring connection, change or repair.
Spark plug is defective - Replace spark plug.
Ignition system is defective - Inspect ignition system and change failed components.
Fuel filter is dirty - Install new filter.
Fuel lines are dirty - Clean fuel system lines.
Dirty or faulty fuel pump - Inspect fuel pump and change as required.
Wrong carburetor adjustment - Adjusting carburetor correctly.
Poor cylinder compression - Check cylinder block and change worn parts.
| Engine runs unevenly |
Ignition system malfunction - Check ignition and replace faulty components.
Plugged air filter - Clean or change filter.
Spark plug is defective - Replace spark plug.
Dirty or faulty fuel pump - Clean or replace fuel pump.
Excessive valve clearance - Check and adjust.
Ignition timing is improper - Ignition timing needs to be adjusted correctly.
Wrong adjustment of low idle speed - Need to adjust idle speed.
| Engine starts and stops immediately |
Defective spark plug - Replace spark plug.
Defective or clogged carburetor - Carburetor needs to be replaced or cleaned.
Ignition coil is damaged - Ignition coil should be replaced.
Bad or broken valve springs - Install new valve springs.
Valves are stuck - Clean the valves.
| Engine is overheated |
Engine oil level is low - Fill the crankcase with engine oil.
Engine overload - Load reducing required.
Carburetor is running lean - Adjust carburetor properly.
Wrong ignition timing - Adjust ignition timing correctly.
Incorrect valve setting - Set the valves properly.
Defective radiator cap or clogged radiator fins - Install new cap or clean radiator.
Engine has a lack of coolant - Fill the cooling system and check components for leaks or other faults.
Thermostat is defective - Install new thermostat.
Water pump is defective - Change water pump.
| Engine noises or knocks |
Low octane fuel - Use proper gasoline.
Engine overload - Reduce load.
Lack of engine oil - Fill up the engine oil.
Wrong adjustment of low idle speed - Adjustment required.
Clogged or damaged fuel pump - Service or change fuel pump.
Crankshaft or main bearings wear - Replace crankshaft or bearings.
Incorrect valve clearance - Need to adjust valve clearance.
Piston rings or cylinder bore are damaged - Change faulty parts.
| Low engine power |
Clogged or improperly adjusted carburetor - Service or correctly adjust carburetor.
Dirty air filter element - Clean or change air filter.
Dirty or faulty fuel pump - Check fuel pump and replace if necessary.
Ignition system failure - Check ignition and replace faulty components.
Worn cylinder head gasket - Change cylinder head gasket.
Valves are stuck or burned - Replace or service valves.
Cylinder block parts are damaged - Replace defective components.
Oil filter element is plugged - Replace or clean oil filter.
| Excessive fuel consumption |
Air filter is dirty - Change or service air filter.
Carburetor main jet is improperly adjusted - Adjust it correctly.
Spark plug is defective or loose - Spark plug need to be replaced or tightened.
Wrong ignition timing - Ignition timing needs to be adjusted correctly.
Burned, worn, or stuck valves - Replace or clean valves.
Worn piston, rings, or sleeve - Change defective components.
Incorrect valve clearance - Check and adjust.
Weak cylinder compression - Inspect cylinder block and change worn parts.
| Engine consuming too much oil |
Seals or gaskets are defective - To repair leaks, replace worn parts.
Damaged valve stems or valve guides - Valves must be replaced.
Piston rings are seized or worn - Change the piston rings as required.
Damaged piston or cylinder liner - Check liner and piston, replace as required.
| Engine backfires |
Too lean fuel mixture in carburetor - Adjust carburetor properly.
Dirt in the fuel lines - Fuel lines need to be cleaned.
Ignition timing is wrong - Adjust ignition timing correctly.
Wrong valve setting - Adjust valves correctly.
Air filter is dirty - Replace or service air filter.
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