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| Home / Car Engines / Nissan Engines / Nissan CA16DE |
Nissan CA16DE Troubleshooting
| Engine starts up hard or won't start |
Empty fuel tank - Fill gasoline up.
Incorrect fuel grade - Change gasoline.
Water or air in fuel system - Remove air or water from system.
Spark plug wiring connection is damaged - Inspect spark plug wiring connection, change or repair.
Spark plug is faulty - Install new spark plug.
Ignition system problems - Check ignition and replace faulty components.
Plugged fuel filter - Replace fuel filter.
Clogged fuel lines - Clean fuel lines.
Dirty or faulty fuel pump - Check fuel pump and replace if necessary.
Fuel injectors are clogged or faulty - Clean or change fuel injectors.
Low compression - Check and replace worn parts.
| Rough engine running |
Ignition system problems - Inspect ignition system and change failed components.
Air filter element is clogged - Clean or replace air filter.
Damaged spark plug - Replace spark plug.
Dirty or defective fuel pump - Check fuel pump and replace if necessary.
Excessive valve clearance - Need to adjust valve clearance.
Ignition timing is wrong - Adjust ignition timing correctly.
Wrong adjustment of low idle speed - Adjust idling as required.
| Engine starts and immediately shuts off |
Spark plug is defective - Install new spark plug.
Fuel injectors are dirty or defective - Clean or install new fuel injectors.
Ignition coil is not working - Ignition coil must be replaced.
Valve springs are worn or loose - Replace valve springs.
Valves are stuck - Clean the valves.
| Engine is overheated |
Engine oil level is insufficient - Add oil to the engine crankcase.
Engine is under excessive load - Reduce load.
Dirty fuel injectors - Check fuel injectors and clean if necessary.
Wrong ignition timing - Set the ignition timing correctly.
Valve setting is improper - Set the valves properly.
Radiator core is clogged or radiator cap is leaking - Change cap or clean radiator.
Low engine coolant - Add coolant fluid and inspect the cooling system for leaks.
Thermostat failure - Install new thermostat.
Damaged water pump - Water pump need to be replaced.
| Engine noises or knocks |
Low octane fuel - Change gasoline.
Engine overload - Reduce load.
Engine oil insufficient - Fill the crankcase with engine oil.
Low idle speed set incorrectly - Correct idle adjustment.
Fuel pump is defective or dirty - Service or replace fuel pump.
Crankshaft or main bearings failure - Need to install new components.
Improper valve clearance - Adjustment procedure required.
Cylinder bore or piston rings are worn - Change faulty parts.
| Engine loses power |
Fuel injectors are clogged or faulty - Test fuel injectors and replace if necessary.
Air filter is blocked - Clean or change air filter.
Dirty or faulty fuel pump - Test fuel pump and replace if necessary.
Ignition failure - Check ignition and replace faulty components.
Cylinder head gasket is defective - Replace the gasket as required.
Burned or stuck valves - Service or replace valves.
Cylinder block components are worn - Change defective parts.
Oil filter element is plugged - Clean or change oil filter.
| Engine uses too much fuel |
Clogged air filter - Replace or clean air filter.
Dirty or faulty fuel injectors - Test fuel injectors and change if necessary.
Spark plug is loose or faulty - Change or re-tighten spark plug.
Wrong ignition timing - Set the ignition timing correctly.
Burned, worn, or stuck valves - Change or clean valves.
Worn sleeve, piston, or rings - Change faulty components.
Incorrect valve clearance - Need to adjust valve clearance.
Poor engine compression - Check cylinder block and replace damaged components.
| Engine consuming too much oil |
Defective seals or gaskets - Install new components.
Damaged valve stems or valve guides - Valves must be replaced.
Piston rings are stuck or worn - Change piston rings.
Damaged piston or cylinder liner - Inspect piston and liner, replace as required.
| Engine backfires |
Clogged fuel injectors - Test fuel injectors and clean if necessary.
Fuel lines clogging - Service fuel lines.
Wrong ignition timing - Adjust ignition timing correctly.
Valve setting is wrong - Valves needs to be adjusted properly.
Plugged air filter - Service or replace air filter.
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