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Why The Car Won’t Start After Rain Storm?

This is always fun in the rainy season, especially when you’re in a hurry and wish to urge to figure or drop the youngsters off. However, maybe your battery isn’t responsible. Your car’s electrical system may be a complicated thing with many components. Never know who the culprit is until getting inspected. Running your engine for brief periods is extremely bad for the battery, which can be why the car won’t start after rain.

Your car batteries are designed to proveide a brief burst of power to the engine to urge it is happening. The remainder of your car’s electrical systems, like lights, transmission controls, audio, and climate control, can escape the battery, but just for a brief time. The engine itself will power these systems and recharge the battery when it kicks in.

Despite the one very brief job your automobile battery must fulfil, it’s easily the foremost important component of your vehicle. Without the facility of a battery, the engine cannot start. Drivers must find out how to maintain their vehicle’s battery and avoid wearing it out.

Why Car Won’t Start After Rain?

Let’s discuss the common problems caused by rain in your car.

1. Slow Battery:

Your automobile battery is susceptible to low temperatures and other issues. Such conditions can affect the working of your automobile battery and also its life. Thus if your automobile battery is slow to start, your car taking longer to start is expected.

2. Dead Battery:

Battery dead after rain might be for any reason, but the foremost common during a wet road might be any exposed wire or insulation where the water hit the wire causes the wire to damp and damaged, which probably the rationale for a dead battery, check any exposed wires under the mat floor, door panels.

3. Weak Terminals:

One major problem behind the car won’t start after rain is lousy battery terminals. Battery terminals become loose or hold an excessive amount of corrosion on them. This is often the rationale behind this for not passing freely from the battery to the engine and, therefore, the battery from the generator to charge the battery.

4. Bad Starter:

The starter of your car is assigned with the task of harnessing the facility of the battery. Here is how that’s possible. Once you insert and switch your key within the switch, the engine gets cranked by the starter. It allows the piston to supply a suction that pulls the air and fuel mixture into the cylinder. When this starter gets hesitant to figure, your car will take longer to start.

5. Old Or Wet Wires:

Wires in old cars become expose to danger if it doesn’t replace or fix in a timely and sometimes these issues are the foremost reason for electrical short in rainy weather.

6. Bad Alternator:

A lousy alternator won’t supply the charge to the battery, while the battery may need to provide power to the headlights and everyone other accessories and systems within the car. This might drain the battery quickly. Counting on what proportion charge was there within the battery and the way old the battery is, the battery may run flat within minutes to a couple of hours. Consecutive problems with the alternator and battery will let the car won’t start after rain.

7. Worn Out Ignition Switch:

Like the starter, your switch also can get faulty. With time it’s only typical that your controller can wear out.

8. Bad Solenoid:

A faulty solenoid can make your car take longer to start. The solenoid bridges the connection between your starter and, therefore, the battery, having full responsibility for the power therein association. So a worn-out solenoid can take forever for your car to start.

Symptoms Of Battery Problem:

  • Your headlights appear dimmer, with no apparent mechanical cause.
  • Your engine cranks slower than usual.
  • Power windows slow to manoeuvre.
  • Your car backfires. A failing battery can throw off sparks that lead fuel to build up within the car’s cylinders. When this fuel gets ignited, the vehicle will backfire. This is often a wake-up call you are doing not want to ignore!
  • A “clicking” sound once you turn the key within the ignition. This might indicate that a weak electrical current is sent to the starter.

What Can You Do To Make The Car Start?

Here are the solutions to follow if your vehicle won’t start after rain.

  • The first piece of recommendation to drive slow on the road with many glasses of water.
  • The second piece of recommendation, just in case of water, reached into the spark plug cap. Take it bent catch on dry and see the matter fixed.
  • Must clean the spark plug cap before putting it back thereon due to carbon contained in it.
  • Check the cap for dampness and find the presence of moisture. Get some mechanic’s solvent or an aerosol.
  • They use it to wash car parts to get rid of the moisture and evaporate any damping substance around the corner of components.
  • Spray the solvent everywhere on the cap, then let it dry as best you’ll and clean the cap.
  • Use only clean solvent. Even a tiny amount of dirt can get you into trouble.
  • It would be best if you didn’t get to give your car gas to urge it to start. If you discover that your car is merely starting once you press your foot on the acceleratoryou’ll be handling a failing battery.

Frequently Asked Questions

So,here are some of the frequently asked questions about why is my car battery dead after rain , causes can bad spark plugs cause a car to hord start etc?-

Why Is My Car Battery Dead After Rain?

Battery dead after rain could be for many reason, but the most common in a wet road could be any exposed wire or insulation where the water hit the wire cause the wire wet and damaged, which probably the reason for dead battery, Check any exposed wires

What Causes A Car To Have A Hard Start When Wet?

Old or worn ignition wires, or a cracked or leaky distributor cap, can cause the vehicle to experience hard starting. In wet weather, moisture can build up in the distributor cap and cause it to short, which will leave the vehicle without a reliable spark.

Can Bad Spark Plugs Cause A Car To Hard Start?

Bad spark plugs are blamed for many performance issues: Poor fuel economy, low power, misfiring and, yes, hard starting on a cold engine. Depending on the particular type of spark plugs your vehicle model is using, you may need to replace spark plugs every 2 or 5 years.

Why Won’t My Car Start When Cold?

Even a slow electrical drain from a faulty battery or system can leave you without enough power to fire up the engine during a cold start.

Why Won’t My Car Start When Going Through A Puddle?

You most likely have a microcrack in the ignition coil. Start your engine and then use a plant spray water bottle to spray water on the engine ignition components


It is an enormous dent in your pocket if your car won’t start after rain. Keep your vehicle safe and guarded within the winter season. Have a daily checkup for each pre-monsoon change.

If you think that your automobile battery is the culprit, try to recharge the battery. An older battery can be revitalized and have its life extended for months or maybe years.

Assuming you’re not a mechanic, this problem is difficult to diagnose. However, if you’ve got had your battery tested and are pretty sure that it’s not a battery issue, then take your car to a mechanic to possess it correctly diagnosed. To be safe, if you think of a problem, have your vehicle inspected. It’s going to cost you upfront a touch, but within the end of the dayit’ll prevent.