What Causes the Clicking Sound When Starting a Car Without Ignition?

[VanValentina]

The reasons for the clicking sound when starting a car without ignition are: 1. Insufficient battery power; 2. Low battery voltage; 3. Blocked fuel flow; 4. Poor performance of the ignition system; 5. Valve sticking; 6. Frozen exhaust pipe. Solutions to the clicking sound when starting a car without ignition include: 1. Cleaning the fuel system; 2. Removing and cleaning the spark plugs, then reinstalling them; 3. Adding some engine oil into the combustion chamber; 4. Checking the battery condition; 5. Replacing with suitable engine oil; 6. Timely replacement of spark plugs. Battery maintenance methods are: 1. Adding distilled water or special replenishing liquid when the electrolyte is low; 2. Regularly checking the ventilation holes on the battery cover during daily driving; 3. Inspecting for oxidation on the battery's positive and negative terminals; 4. Checking for aging or short circuits in the electrical system; 5. Turning off all electrical devices when leaving the car.