Car won’t start

Car won't start have power to the radio and interior lights
Experienced mechanics share their insights in answering this question :
The first question to answer for yourself is, does the engine attempt to start, also known as cranking over? If not, then you need to be concerned with your starting system. The battery may be powerful enough to power accessories, but not have enough power to use the starter.

If your car is slow to start, clicks, or makes no sound when you turn the key, it is likely your battery or your starter that is the source of the problem. It can also be the wiring between the two. If the engine cranks or attempts to start, then you will have to look into your fuel, air, and spark systems. One of them is not functioning. The electronics that control these systems can also fail and cause starting issues.

I recommend having a certified mechanic, such as one from YourMechanic, perform an inspection to determine why your car is not starting.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

If your car is slow to start, clicks, or makes no sound when you turn the key, it is likely your battery or your starter that is the source of the problem. It can also be the wiring between the two. If the engine cranks or attempts to start, then you will have to look into your fuel, air, and spark systems.
The most common reasons a Ford Explorer won`t start are a dead battery, an alternator problem, or failed starter. Search our network of RepairPal Certified shops near you to speak with a technician about your issue.
If the battery is weak and the voltage is dropping to below 9 volts you will get the clicking without the starter turning the motor. Have the battery voltage checked and if battery cannot hold a load then replace it and clean the battery terminals and recheck system to see if it starts.
If the car cranks when you turn the key, but the engine won`t start, it could be because fuel isn`t getting to the engine. One potential reason for this could be dirty fuel injectors. Over time, the fuel injector nozzles can become clogged with rust, corrosion or debris.
It might also be a bad solenoid, starter failure, or engine timing. But battery, battery cable, and alternator problems are the most common cause for this click or clicking noise. So, your next steps are to do a little investigating and testing to try to determine what the problem might be, so you can fix it.
If you only hear a single click as you try to start the car, it could be an electrical problem with the starter solenoid or starter relay. A faulty or corroded starter solenoid tends to absorb the electrical current meant for the starter motor.
A single loud click could mean that there are troubles with the starter motor or the starter solenoid—which together act like a crank to help get your car`s engine going—or more specifically from a failing or bad starter relay that`s not sending enough electric current from the battery to the starter motor.
Damaged CV joint: The most common cause of a clicking or popping sound from the wheels is a broken CV joint. The CV joints, which stand for Constant Velocity, are essentially the wrists of your vehicle`s steering system.
If your car is making clicking sounds when driving, a likely culprit is low or dirty engine oil. Motor oil lubricates all of the components so that you can drive with ease. If you are running low on engine oil, the metal parts may start to tap and grind over time.
Connected to the battery is the alternator, which works to generate power for your vehicle`s electrical components. When you have a brand-new battery but still can`t start the car, the alternator might be the issue. Cold and damp climates may increase wear on an alternator, causing it to fail.
The fuel pump shut-off switch is located behind an access panel in the right rear quarter trim panel, near the liftgate. The fuel pump shut-off switch has a red reset button on top of it.
Ford Power Starter means it`s no longer necessary to insert the key into the ignition to start the vehicle. Now, all you need do is push the Starter button while holding down the clutch on a manual or the brake on an automatic, and the engine starts.
The most common reasons a Ford Explorer window won`t go up or down are window`s electrical system such as a fuse or relay, a broken window motor, or a broken window regulator.
The most common reasons a Ford Explorer window won`t go up or down are window`s electrical system such as a fuse or relay, a broken window motor, or a broken window regulator.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

My car will not start Intermittently. I purchased a new battery 2 weeks ago and yesterday the car wouldn’t start. Got a jump and
ANSWER : The issue you are having is probably due to an intermittent fault in the starter motor itself or a deficiency in the starter electrical circuit, for example a large voltage drop due to a poor ground or a high resistance connection. These issues can be readily diagnosed and resolved on a mobile basis if you request a hard starting diagnostic. If you request that diagnostic, the responding certified mechanic will get this resolved for you promptly. Based on Toyota’s Factory Service Manual, the battery should not be disconnected if the vehicle engine is running. The battery acts as a large resistive voltage sink and consequently taking the battery out of the circuit, while the alternator is still running, can create a voltage spike on the car’s electrical system which is not good for voltage sensitive components such as the engine computer. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

Read Full Q/A … : Car won’t start

Map sensor car won’t start up good ?
ANSWER : Your MAP sensor is an important input for your computer. It helps determine the load on the engine to calculate the correct amount of fuel to inject. It sometimes takes a few seconds for the vehicle to realize that the sensor is not producing a good signal.

At that point, it will use other methods to determine the fuel rate, such as pre-programmed fuel maps, throttle position, etc. I would suggest replacing the MAP sensor and retesting. If you would like to have it checked first, a certified technician from YourMechanic will be able to scan your vehicle and test components to determine the root cause of your starting issue before making a repair.

Read Full Q/A … : Car won’t start

The car crank but won’t start
ANSWER : Hi there. This does sound like an issue with the wiring. If the check engine light is coming on every now and then this means that when it does not come on there is no power to the computer. This can be the wiring harness issue or an ignition switch problem. I would have to test for voltage to the computer when the problem is occurring to be able to find where the issue lies. If you need assistance, a certified YourMechanic technician can be dispatched to your location to inspect your vehicle’s non-start issue and suggest any necessary repairs.

Read Full Q/A … : Car won’t start

Car won’t start. The check engine light, battery light, and oil change light are coming on. I tried jumping the car and nothing happened. Why won’t my car start?
ANSWER : Hi and thanks for contacting Your Mechanic. If sometimes your vehicle will start with the new alternator and sometimes it won’t, then there is a loose connection in your charging system. Check all of the wires to the alternator and to the battery. Make sure that the battery cables are clean and tight. Make sure that the wires to the starter are clean and tight. A loose ground to the ignition system will cause the vehicle to not crank over. Check all of the ground wires from the battery to the starter. Make sure that they are clean and tight. If you need further assistance troubleshooting your no start situation, then seek out a technician, such as one from Your Mechanic, that can assist you.

Read Full Q/A … : Car won’t start

My car won’t start, neither does my auto. Start. Sometime it might start if I jump it sometimes it won’t.
ANSWER : Hi there. There are a number of issues that will make a car hard to start. Everything from the electrical system to the fuel system to the actual starter itself can be the problem. Finding the root cause of a hard starting engine can take some investigation. Ignoring a hard starting issue can further damage the vehicle, which will often result in a more expensive repair. You might want to have a mobile mechanic complete a car is hard to start inspection so they can pinpoint the source of the issues you’re having and recommend the right repairs be completed.

Read Full Q/A … : Car won’t start

2005 Chrysler 300C changed battery and alternator. Car started, ran, and then battery light came on. Shut car off and wouldn’t start.
ANSWER : Hi. There is a couple of things that could be wrong here. The battery or alternator that was just installed could be defective. Theses parts need to be tested for proper operation. There also could be a fuse, fusible link, or wiring for the battery or charging system that is blown or broken causing the battery light to come on.

The codes that you have will cause the car to shut down, run rough, or not start at all. The crankshaft sensor and camshaft sensor should be replaced. I suggest having a certified technician from YourMechanic come diagnose the charging system and check engine codes to help you proceed with correct repairs.

Read Full Q/A … : Car won’t start

So I have a hyundai sonata se push to start. My car won’t turn on, power is working, I push tof start but it won’t crank. I don’t
ANSWER : Hi there. It sounds like you have a failed starter. However, without proper testing there is no way to be 100% sure. I suggest having the battery tested first with a digital battery tester that provides current voltage, cold cranking amps, and state of health. Also inspect for corrosion on the terminals and cables as this will cause excessive resistance and not allow proper voltage/amps to the starter. Other possible failures could be in the wiring harness, relay, fuses, or communication network. I suggest having a qualified technician perform an inspection to avoid replacing unnecessary parts. Your Mechanic has several available technicians that can assist you with a car does not start inspection.

Read Full Q/A … : Car won’t start

Whenever I drive 1.5 miles, the s3 light starts blinking and then when I stop my car and come back to it, the car won’t start.
ANSWER : Hello, thank you for writing in. It is difficult to determine the issue without some more information. To start, when the check engine light illuminates, you want to scan the vehicle for diagnostic codes. These are what set the check engine light off, and are meant to tell the driver what the computer has detected is wrong. Codes can be pulled at most automotive parts stores, and by most technicians. Once you have that information you can focus in on one component or system. If the engine is truly overheating, then you want to start by checking your coolant and fluid levels. For more help with diagnosing and resolving the issue, contact our service department to schedule an appointment.

Read Full Q/A … : Car won’t start