Top 7 Reasons Why Your Car Won’t Start? Is it the Battery, Alternator, Spark Plug or Starter Problem?

December 7, 2023

It is frustrating when your car won't start. You are turning the key and... nothing happens. Almost every car owner has experienced this. Is it the Battery, Alternator, Spark Plug or Starter Problem? Now, this article would help you know which step things go wrong, you will have a better idea why your car won't start and what to do. 

1. Dead or Weak battery 

This is the most common reason why you can’t start your vehicle. If the battery is weak, but not totally dead, the starter may turn slowly. While, a completely dead battery will not provide necessary power to the starter. A quick way to check for power is to simply turn on your headlights. Another way to check the battery is to use a multimeter and set it to voltage. A good battery should have 12.6 volts with the engine off. Next time, please make sure you have turned off your car light when you left.

2. Poor electrical connections at battery terminals

When the pile head contact bad, it may produce too large resistance, making the power can not be successfully transmitted to the starter motor, the simplest way to check is to shake the positive and negative pile head, if loose, please use the appropriate tool lock.

3. Park or Clutch Switch is Broken or Misadjusted

The old auto of the self-row, as long as the identification of the gear in the P file position can be launched, but more and more cars in the near future use the key to open and close, in addition to the gear position must be in the P file, but also must press the brake to smooth Start, otherwise it will only see the instrument lights up, the engine is no response; the other hand in addition to row in the gap, but also must be depressed to start the clutch, some hand-off type if the traffic between the flame, you must first The key is cut back to "ACC" to restart.

4. Security System Error

The Security System of the vehicle protects your car from a variety of ways, including basic remote control unlocking, wafer key certification, to the recent Keyless system, any problem is likely to make you unable to launch, sometimes It may just be pressed before pressing the lock, there may be a complicated wafer key / Keyless key broke or no electricity, so please treat your car key carefully.

5. Damaged Starter

Vehicle starter is a mechanical component that turns the engine over. Without it, the engine will not turn over. Symptoms of a bad starter are: no click or starter making grinding noise. Remove starter and inspect drive gear and flywheel teeth, replace damaged starter parts if necessary. You can choose to buy cheap auto starter.

6. Fuel Delivery Problem

A car needs spark, air and gas in order to run. A clogged fuel filter won't allow the fuel to pass in high enough quantities to be able to get to the engine to run. The fuel pump can also fail, meaning there is no way for the car to pump gas to the engine.

7. Spark Issue

The engine ignition need the spark plug, if the spark plug can not be a smooth ignition, the car will not start. If you try to launch a period of time and smell the oil smell near the exhaust pipe, it can reasonably suspect the spark plug or ignition coil Damaged, you need to buy a new spark plug for your vehicle.

If your vehicle fails to start don't just let it sit, as the problem may only get worse. Hope this article can help you check your car and know what you can do. Thanks for reading HexAutoParts Blog, we are here offering a variety of auto starter and oil fliter with high-quality and fast delivery. 

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