Car Won’t Start When Parked In Sun

No matter how new your car is, the heat will take a toll on your vehicle and might cause damage over time.

Usually, problems concerning warmth occur in states like Arizona, Texas, Nevada, and a lot wherever the sun stays hot for months at a time.

So, why your Car Won’t Start When Parked In Sun?

An automotive will have trouble beginning once it’s been positioned within the sun for too long. This may be a result of the battery, oil, or coolant.

To troubleshoot, decipher if there’s one thing that smells, sounds, looks, or feels wrong. try to verify what the issue is, then call the mechanic.

Why Car Won't Start When Parked In Sun

Causes For Why Car Won’t Start When Parked In Sun?

The sun takes a toll on cars over time; therefore, older cars can probably have problems with the heat compared to newer cars.

However, any automobile is often affected by heat. This relies on several factors. If you’re automotive doesn’t crank up once you flip the ignition on a hot day, there could also be a few problems.

If you park your automotive outside for hours, particularly if you reside in a hot state, and if your automotive is thought to allow you problems normally, then you’ll be able to see the impact the sun has simply.

There are some problems you’ll be able to hunt for specifically which will have an immediate correlation to a car not starting from the heat.

One issue is usually found in older cars, and it revolves around fuel. Some liquids grow to be vapor within the heat, which is something that must be left alone to cool off before use.

This issue might not affect all older cars; however, if you reside in a very place like with hot weather in Arizona, then you’ll perceive that this will be difficult for a few individuals. To forestall this, park under trees, within the shade, or in a very garage. 

You ne’er need the supply of the problem to be the battery acting up; however, it’s a break.

So, if you recognize a touch concerning cars and might explore an engine to see if one thing is off, then try this. If so, you’ll be able to jump-start the automobile.

Sometimes, your automobile is just due for car care, and with being low on oil and heat, the automobile doesn’t need to start.

Look at your dashboard and see if your check engine or oil lights are on. If you see the oil light-weight is on, take your automobile sure car care and see if that solves the matter.

If your automobile won’t begin, add therefore oil to it so you’ll get to a mechanic to possess the oil modified.

For those of you who don’t know wherever to start, notice a YouTube video that explains how to do an oil change and follow the tutorial.


Your battery might be overheating within the sun, which may cause it to die. If your battery is dead, your automotive won’t begin.

So, hear your car after you begin it for a clicking sound and see if the problem is within the battery.

Essentially, you’re simply pouring a liquid into a selected place in your engine; therefore it’s not too daunting of a task. Another issue might be with the agent.

Your automotive uses an agent to chill itself off because it is being used, preventing your engine from heating whereas being driven.

If your engine is heated by the sun and doesn’t have enough agents, it won’t begin (check for a smoke!)

You can easily place coolant into your car while not having to travel to a mechanic, which saves you cash. However, certify the engine is cool before you add an agent.

If your car still won’t begin once it’s been set within the sun for a few hours, even once you’ve got else oil and agent and checked the battery, take your automotive to the mechanic.

Your automotive probably has an issue that has been exasperated by the warmth, like a problem exasperated starter motor, spark plugs, fuel pump relay, or fuel injectors, and it can’t be simply mounted by you.

If your automotive doesn’t begin once sitting within the sun, however, it starts as normal at different times, park your car in your garage or lined area, far from the sun, till you’ll take it to a mechanic. That way, you’ll still use your car, even though it’s hot outside.

How To Solve Car Won’t Start When Parked In Sun?

  • After finding one thing that appears off or wrong together with your automobile, search the web.
  • There are many people online who have shared their experiences with their cars and have given recommendations on what they did to mend the problem they’d with their specific build and year, as well as us.
  • After you notice that your automobile doesn’t wish to begin once sitting within the sun, you’ll be able to raise individuals on the web if they need to have similar issues as you and the way they mounted it. This may provide you with a good place to begin.
  • You can discover what the signs you’re seeing mean, and you’ll be able to try and establish the problem before about to the mechanic.
  • The best factor you’ll be able to do for your automobile is to require note of the items that area unit wrong, then take your automobile to the mechanic and tell them what appears to be wrong.
  • They will take that data and note if you were right or if you misinterpreted a noise to be coming from one place once it was coming from another.
  • Telling the mechanic what you notice is important as a result it offers them an inspiration of what can be wrong with your automobile and wherever they will begin to seem for issues. it’s tougher for a mechanic to try to do their job after they have to notice the problem on their own.
  • They don’t drive your automobile a day, therefore be informative and allow them to know what smells, noises, feelings, and additional to seem for.


Now, we studied the reasons for abnormal behaviour of a car when it is parked in sun, It is clearly defined above that Car Won’t Start When Parked In Sun? It is due to several reasons like overheating or any other miss hap.

Frequently Asked Questions

Why will my car struggle to start once the engine is hot?

The most common reason an automobile is difficult to start once warm is due to a defective crankshaft or camshaft position sensor. However, it may even be caused by a clogged filter, faulty battery affiliation, vapor lock, or a foul ground connection.

What causes an automobile to not start when sitting?

The most common reason for an automobile to not begin when it’s been sitting for an amount is that the fuel pump is not doing its job. That is because modern fuel injection systems operate below high pressure that has got to be maintained.

Can hot weather affect automobile starters?

It is very common for heat to cause the starter motor and unhealthy affiliation issues. Electricity does not like heat. Heat creates high resistance in an electric circuit. Most typically this can be a starter issue; however different parts of the first circuit will have unhealthy connections.

Can heat affect automobile starting?

Can hot weather affect your automobile starting? In extreme heat, your automobile may not begin as a result of problems along with your fuel. Once your engine is just too hot, fuel cannot flow well, making it difficult for your engine to start. to keep your engine running at the correct temperature make sure to maintain your coolants.

1 thought on “Car Won’t Start When Parked In Sun”

  1. Hi Mohammad,
    A very helpful and concise post! But from what I know, bad fuel pump relay and coolant temperature sensor can also lead to hard start when parked in sun.
    What do you think?


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