Why is my car turning over slowly? - The Truth About Cars - Navara

Why is my car turning over slowly?

Why is my car turning over slowly? The car is cranking but will not start. If the car is turning over slowly then the problem is related with the car battery.

Possible cause of car trouble: 
1) The battery terminal is corroded
2) The battery is weak

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To determine the reason why car turning over slowly, do the following:
1) Turn on the car head lights then start the car engine while the headlights were on. Observed the headlights brightness if there are changes during starting. If there is any change in the headlights brightness then the problem is battery related. But if not then it is not battery related.

2) Open the hood of the car locate the battery and check the battery terminal, inspect if there is corrosion on the terminals. This look like a white cruddy substance that is presence on the cable end and on the top of the terminals. If there is a presence of this substance then this restricts the flow of the current into the starter that is why the car wont start. But if the substance is not present on the terminal then this means that the battery is weak.

What to do?
Corroded battery terminal Using a wire brush clean the battery terminal, apply baking soda and water on the terminals while cleaning with brush to help dissolve the corrosion. After the terminal is cleaned, apply petroleum jelly on the terminals to help prevents future formation of corrosion on the terminals. Make sure that both battery terminals are coated with petroleum jelly.

Weak battery
Open the battery fluid filler cap and check the fluid level. The fluid level should cover the top of the plates, if not then add distilled water just enough to cover the plates.

Bring the battery to any battery shop and have it check if it needs to be re-charged or replaced. If the car won’t start on a very cold temperature the problem is that the battery electrolytes freezes up.

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