As a car owner, you’re going to encounter the frustrating situation when your car ignition won’t turn. It will usually prevent the engine from starting.
There are vehicles that have this set-up as a security feature. In that case, just deactivate the security mechanism in order to get control over the car ignition.
The ignition system plays a crucial role in initiating the combustion process that powers cars. Issues with ignition wafers or mechanical faults within the ignition mechanism usually cause the ignition not to turn.
It is highly recommended to seek professional assistance from authorized dealerships or experienced mechanics. Ignition problems can have multiple underlying causes and their solution will require you to have proper knowledge and expertise.
Reasons why car ignition won’t turn.
Diagnose the problem accurately to determine the appropriate course of action when the car ignition won’t turn. Some of the troubleshooting steps that you can take are inclusive of;
- Checking the steering wheel lock.
- Inspecting the key and ignition switch.
- Testing the battery and starter motor.
- Addressing any security system issues.
Consult a qualified mechanic or automotive technician for assistance in diagnosing and repairing the issue. Here are some of the reasons why the ignition won’t turn.
1). Steering wheel lock.
A locked steering wheel can prevent the ignition key from turning. The steering wheel usually locks up when you turn it to one side while the vehicle is parked and the ignition is off.
In order to unlock a locked steering wheel, try gently turning it back and forth while attempting to turn the ignition key.
2). Car key Issues.
Secondly, the ignition key may fail to properly engage with the tumblers inside the ignition switch, causing it not to turn. This could happen because the key is worn, damaged, or bent.
If the key is damaged, it may need to be replaced, however, there are cases where a duplicate key may work when the original key doesn’t.
3). Ignition switch problems.
Proper transmission of electrical signals to the starter solenoid and other components requires a fully functional ignition switch.
However, when its faulty or worn out it will cause the ignition not to turn. This can occur due to age, wear and tear, or electrical issues. If the ignition switch is defective, it may need to be replaced.
4). Dead battery.
If the battery is discharged, the ignition key may not be able to turn and this will interrupt electric power flow to various components. In fact, a dead or weak battery can prevent the ignition system from receiving enough power to turn the engine over.
When the key is turned to different positions there will be no effect. In this case, jump-starting the vehicle or replacing the battery may be necessary.
5). Faulty starter motor.
One way to identify a faulty starter motor is by the lack of engine cranking when the ignition key is turned. The main causes of this are issues like worn brushes, a faulty solenoid, or electrical problems. If the starter motor is defective, it may need to be repaired or replaced.
6). Faulty ignition cylinder.
A worn or damaged ignition cylinder will prevent the key from turning. The ignition cylinder houses the tumblers that the key interacts with.
A faulty ignition cylinder can occur due to age, excessive use, or attempted theft. Repairing or replacements will offer the long-term solution in this case, however, cleaning can also solve the issue.
7). Security system issues.
Some vehicles are equipped with immobilizer systems or security features that can prevent the ignition from turning. Such security features are either activated manually or automatically when they detect unauthorized access or tampering.
Additionally, issues within the security system, such as a faulty sensor or module, can also cause the ignition to remain locked.
Ignition switch and key problems.
Various issues related to the ignition switch, key, or overall ignition system will likely lead to a car ignition that won’t turn.
It is recommended to address these issues promptly to avoid further inconvenience. A professional mechanic who specializes in automotive electrical systems will help to diagnose and resolve these problems effectively.
Here are some common ignition switch and key problems:
1). Faulty ignition switch.
When your car’s ignition won’t turn you should suspect that there’s a faulty ignition switch. This vital component will prevent the key from engaging properly after becoming damaged or undergoing wear out over time.
2). Key stuck in ignition.
Occasions when the key is stuck in the ignition interfere with the functionality of the ignition switch.
When the key refuses to come out it may be due to a faulty ignition cylinder, a worn key, or issues with the locking mechanism.
3). Broken key.
A situation where the key breaks off in the ignition switch will prevent the vehicle from starting because the ignition won’t turn.
In fact, removing that broken key will require a specialist to dismantle the ignition switch assembly. To solve this situation the key should be extracted and a replacement key should be made.
4). Worn out or damaged key.
Another possible reason for a non-turning ignition is a worn out or damaged key. If the grooves on your key have become too worn down or if it has been bent or damaged in any way, it may not engage with the ignition lock correctly.
5). Electrical problems in the ignition system.
Issues within the electrical components of the ignition system can also lead to difficulties in turning the key. Electrical malfunctions, such as loose connections or a faulty starter motor, can disrupt the proper functioning of the ignition switch and prevent it from turning smoothly.
6). Difficulty turning key.
If you experience difficulty when turning the key within the ignition switch, it could indicate problems with the ignition cylinder or key itself.
Listen to the sounds while attempting the key turns in order to ascertain that the cylinder is indeed the problem. You will hear a grinding or clicking noise.
Remember, always ensure safety precautions while troubleshooting or attempting repairs on your vehicle’s ignition system.
Worn, damaged, or dirty key.
If your car ignition won’t turn, it could be due to issues with your car key. Here are some common problems related to worn, damaged, or dirty keys:
1). Worn-out keys.
Keys that are worn out may not fit snugly into the ignition cylinder. Over time, car keys can become worn down from regular use. This wear causes the key not to fit snugly into the ignition cylinder. The lack of proper fit can prevent the key from turning the ignition.
2). Dirt and debris.
They tend to hinder smooth key insertion and rotation. Dirt, gunk, and dust usually accumulate in your key and impede proper operation within the ignition cylinder.
If there is excessive buildup on your key, it might struggle to engage properly with the internal mechanisms.
3). Bent or damaged keys.
Considering the making of your car key, it should align correctly with the intricate components inside the ignition mechanism. Bent or damaged keys do not align correctly with the ignition mechanism.
As a result, when you attempt to turn the key in the ignition, it may fail to initiate the necessary processes for starting your vehicle.
Solutions for worn, damaged, or dirty key.
You can ensure smoother operation of your car’s ignition system by addressing problems related to worn-out, damaged, or dirty keys promptly. Additionally, take the appropriate measures to maintain the keys properly.
- Consider getting a new key if yours is excessively worn or damaged.
- Clean your car key regularly by removing any dirt or debris using a soft brush or compressed air.
- Avoid using incorrect keys on your car’s ignition as they may not be compatible.
- Keep a spare key handy in case your primary one becomes unusable.
Consult a professional locksmith for assistance if you suspect an issue with your car’s smart locks or door lock springs affecting the key’s functionality.
Ignition cylinder problems or damaged key.
It is advisable to consult a professional locksmith who specializes in automotive locks and keys if you are experiencing difficulties with your car’s ignition not turning. They have expertise in diagnosing and resolving issues related to a damaged key or ignition cylinder problems.
1). Physical damage- Key.
Physical damage to the key will affect its functionality. If the key is bent, cracked, or has any other visible damage, it may not properly engage with the ignition cylinder. In such cases, turning the key becomes difficult or impossible.
2). Corrosion or wear- Ignition cylinder.
Corrosion or wear in the ignition cylinder will usually impede key movement. Over time, exposure to moisture and contaminants can cause the cylinder to rust or deteriorate. As a result, the key may not be able to turn smoothly within the cylinder.
3). Foreign objects- Ignition cylinder.
Foreign objects lodged inside the cylinder usually cause obstruction. Debris such as lint, dirt, or other substances can find their way into the ignition lock cylinder. This creates an obstruction that prevents proper engagement of the key and hinders its ability to turn.
Effect of gear lever restrictions and park position on ignition.
You can troubleshoot why your car’s ignition won’t turn through an understanding of the issues related to gear lever restrictions and park position.
Examining and repairing problems with your gear shift linkage or ensuring proper alignment in “Park,” will help resolve ignition-related challenges effectively.
Problems with the gear shift linkage can interfere with the operation of the ignition switch. When a malfunctioning shift interlock solenoid locks up the gear lever, it ends up causing difficulties in starting the car.
Additionally, incorrect placement of the gear lever of an automatic vehicle after stopping and shutting off the engine may prevent the ignition from turning. If the gear lever is not in the “Park” position it may prevent the key from turning.
1). Gear lever linkage interference.
Issues with the gear shift linkage can impede the smooth functioning of the ignition switch. When there are problems with the gear selector mechanism, it can create resistance or blockages that prevent proper engagement of the ignition system.
Misalignment or damage to components such as cables, rods, or bushings within the gear shift assembly can cause restrictions and hinder key turn.
2). Incorrect placement in “Park” position.
Placing your gear lever in the “Park” position helps to enable smooth ignition. Some vehicles are programed like this as a safety precaution.
If you don’t fully engage your vehicle’s transmission into “Park,” it will prevent the key from turning during ignition. The gear lever needs to be precisely aligned and securely seated in its designated position for a successful start.
3). Malfunctioning shift interlock solenoid.
A faulty shift interlock solenoid usually results in a locked-up gear lever, making it difficult to turn on your car. The shift interlock solenoid is responsible for preventing accidental shifting out of “Park” without applying brake pressure.
When this component malfunctions, it restricts movement of the gear lever and consequently affect ignition operation.
The effect of the battery power on ignition system.
If your car ignition won’t turn, it’s essential to perform a battery power check. Because a low voltage can potentially impede the proper functioning of electronic components, including the ignition system.
Insufficient current flow due to a weak car battery usually prevents the starter motor from engaging. You can determine if a weak or dead battery is causing your car’s ignition problem through a car battery voltage check.
Take appropriate action to resolve the voltage problem promptly and address any issues found during this battery power check. To diagnose whether a dead battery is causing the issue, follow these steps:
1). Look for any signs of a dead battery, such as dim headlights or a sluggish engine cranking speed.
2). Test the battery using a voltmeter to measure its voltage. A fully charged battery should read around 12.6 volts. If the voltage is significantly lower than 12.6 volts, recharge or replace the battery accordingly.
3). Check for loose or corroded connections between the battery and its terminals. Clean any corrosion and tighten loose connections. Examine the battery cables for signs of damage or wear, such as fraying or exposed wires.
4). Ensure there is no excessive resistance in the electrical system by inspecting fuses and relays related to ignition and starting functions.
Proper maintenance and regular checks of your vehicle’s electrical components will help you to avoid unexpected issues like a non-turning car ignition.
Steering wheel wiggle technique for unlocking the ignition.
Applying gentle pressure on the steering wheel while attempting to turn the key helps to release any tension on the steering column lock mechanism. This technique is a common method used to unlock a stuck ignition and can be quite effective in resolving the issue.
By wiggling the steering wheel back and forth, you relieve pressure on the locking pin found in the steering column. This pin is part of a safety feature known as the steering lock, which prevents unauthorized use of the vehicle.
However, sometimes this mechanism can become jammed or misaligned which results in a car ignition that won’t turn.
If this method doesn’t work, there could be other underlying issues with your car’s ignition system that require professional assistance. In such cases, it is recommended to seek help from a qualified mechanic.
Regular maintenance of your car’s lock mechanism can help prevent future occurrences of a stuck ignition. For example, lubrication of lock pins with suitable lock lubricant.
To unlock your ignition using the steering wheel wiggle technique, follow these steps:
Step-1). Ensure your vehicle is in park or neutral with the parking brake engaged.
Step-2). Insert your key into the ignition and attempt to turn it while simultaneously applying gentle pressure on the steering wheel.
Step-3). Slowly wiggle or rock the steering wheel back and forth while maintaining steady pressure on it.
Step-4). As you continue to wiggle, you may feel some resistance initially due to locked pins or tumblers within the lock mechanism.
Step-5). Keep applying pressure and gradually increase your turning force on the key until you feel it start to give way.
Step-6). Once you’ve successfully turned your key and unlocked the ignition, avoid forcefully turning it again as this may cause further damage.
