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How to Fix Car Ignition Problems

The fix car ignition won't start unless the switch sends an electrical signal to the starter. Over time, normal wear and tear can cause the switch to fail.

Using special tools, you can remove your steering column trim and access the ignition cylinder module. Check out your repair manual to learn how to do it right.

1. Check the Switch

A malfunctioning switch is one of the most frequent ignition problems. It acts as bridge between two contacts, and controls the time when relays are activated and deactivated. Because it isn't able to harness the full power of devices like the starter, it's a lighter-duty component that is less likely to fail. The switch can still be damaged or corroded.

One sign of a bad switch is difficulty turning the key. This can be caused by a variety of things such as not inserting the key correctly or wearing out the mechanism over time. It is also common for people to misplace their keys to their car with another's, which could cause mechanical damage.

Before calling a locksmith, you might want to try a few things. You'll first want to ensure that the battery is fully charged and there aren't any electrical issues within the system. You should also check the voltage of every component to make sure they're supplying enough power. After you've completed these steps, it's time to begin troubleshooting.

Luckily the ignition switch is easy to replace. It's connected to the ignition cylinder, which is a round module that connects everything. To replace it, you'll need a flathead screwdriver, and something long enough to push the pin into. You can employ anything from a paintbrush, to a Kabob stick, but be careful of anything that is brittle, as it can break into the hole.

Remove any trimming pieces that cover the area around the switch when you're ready to work. After taking off the trim pieces, take off any screws that hold the switch in position. Then, carefully take it off. Depending on the model you may need to disconnect the cables that connect to it. Find out how to do this in the manual of your vehicle.

It's best to get the ignition switch replaced by an expert if it doesn't work. It's difficult to replace the ignition switch without removing the steering column. This could result in an accidental deployment of airbags when you don't do it correctly. This is why it is recommended to let your locksmith take care of this for you.

2. Check the Wire

The car ignition locked may not start if you cannot turn the key or it will not start. This could be due to any number components in the ignition system. It's crucial to understand how the ignition system works so that you can pinpoint issues and make the appropriate repairs.

The ignition switch is an electric switch that has multiple poles and is controlled by the key. It has four positions including off run, accessory, and "lock." When the switch is locked (which is usually indicated by a red light) the ignition circuit is active and it is inaccessible to start your car.

To determine whether the ignition switch is damaged or if the ignition coil itself is faulty, you'll need to do a quick electrical test using an Voltmeter. When the ignition switch has been set to run, the voltmeter should show around 12.6, If the voltage is lower than that then there is an open circuit within the system. This could be a battery, solenoid or the ignition coil.

Disconnect the electrical connector from the ignition switch to ensure that no other components can interfere with your test. Then, set the voltmeter to the resistance or continuity mode and put one lead on one of the ignition switch terminals. The other lead should be connected to the positive terminal of the battery. If the voltage meter shows "open" or doesn't register any voltage, it's time to replace the switch.

Use a brand new ignition key and a high-quality ignition cylinder when replacing the switch to ensure your vehicle runs and starts properly. When replacing the ignition switch, be careful not to hit the pins of the ignition cylinder with your tools, or they'll get stuck and the engine won't start. In some vehicles, you'll need to remove the steering column and gear selector to get access to the ignition cylinder. This isn't easy and is not recommended unless you have an owner's manual that indicates it's safe to do so. If you don't, it is possible to cause irreparable damage to your steering column and the shift mechanism.

3. Check the Cylinder

If you've tried the battery, the wiring, and the ignition switch but still can't start your car, it may be time to inspect the cylinder. The cylinder is the part which holds the key and is mechanically linked to the steering lock to ensure that thieves can't drive the car ignition key replacement without it.

You may be noticing that your key does not rotate if the cylinder is worn out. Sometimes, the pins within the cylinder are stuck when they adjust to the shape of the key, which could cause your car to not start. Or, the cylinder might be loose and a tap using a small tack hammer can help to free it. Be careful not to disturb the springs within and make sure that the key is correctly installed prior to tapping.

Another sign that your cylinder is in trouble is if you have to jiggle the key and try different positions before it begins. This is a negative sign, and it should be corrected right away because it will get worse over time.

To test the cylinder, you'll need to unplug your battery, and then remove the cover on your steering wheel until you are able to access the ignition module. Then, you'll be able pull out the old ignition switch and the cylinder made of metal. If you don't own a spare switch, you might be able take your original ignition cylinder and switch to locksmiths for reuse so long as they're in good working order. After replacing the switch and cylinder make sure you connect the wiring harness and secure it and then reattach any covers or panels you've removed.

4. Check the Spark Plugs

The spark plug is the final link in your ignition system chain. The engine will not run when the spark plug is broken. This can take the form of your car not running at all, or may start but not run well. In either case, the cause is likely to be one of several factors that block or hinder the flow of electricity across the spark plug gap, which causes your engine's air and fuel mixture to start.

Before you begin working on your spark plugs, be sure that you are working on a level surface and employing protective gloves and tools to keep from getting hit with. Spark plugs can get very hot and cause serious injuries if they are touched by hands without gloves.

You may notice a light gray or brown residue on the tip of the electrode when a spark plug is bad. The electrode could also have a dark coating. The deposits or fouling may stop high-voltage electrical current from crossing the gap of your spark plug and igniting an engine.

If you suspect that your spark plugs could be the culprit you can test them by having them remove them from the tube that is inside the ignition key replacement coil. This can be accomplished by disconnecting the coil and the plug wire. Then, you will have to follow the proper procedure for your vehicle in order to remove the components that cover the plugs. Once you have removed the plugs you can place them on a surface that is grounded and crank the engine. If they are good you should see a bright blue spark extending across the gap in the middle of the central electrode.

If you don't see a spark, you've found the issue. The next step is to go backwards through the chain of ignition and test each part until the spark plugs are no longer working. It is important to keep in mind that all systems wear down and break over time, and this is especially applicable to ignition lock repair systems. Routine maintenance can help to slow down the process and prevent a major headache at the worst possible time.