Key Won't Turn in Ignition What to do? - Okey DoKey Locksmith
When your key won't turn in the ignition, the problem is usually related to the steering wheel lock, the key itself, debris or wear inside the ignition, or a failing ignition lock cylinder. The important thing is not to force the key. Excessive pressure can damage the key or turn a relatively simple ignition repair into a more complicated problem.
Start with the easiest possibilities first. Check whether the steering wheel is locked, inspect the key for obvious wear or bending, and pay attention to how the ignition feels when you insert and gently try to turn the key.
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Why Won't My Key Turn in the Ignition?
There are several reasons a mechanical ignition key may suddenly stop turning. Some problems develop gradually as the key and ignition components wear, while others appear suddenly when the steering wheel locks against the steering column.
The most common possibilities to check are:
- Locked steering wheel putting pressure on the ignition.
- Worn, bent or damaged key that no longer properly operates the ignition wafers.
- Dirt or debris interfering with the ignition lock cylinder.
- Worn or damaged ignition cylinder that no longer operates correctly with the key.
If you have another working key for the vehicle, comparing how both keys operate can provide an important clue. If the spare works normally while the everyday key does not, the problem is more likely associated with the worn key. If neither key turns correctly, the ignition deserves closer inspection.
Locked Steering Wheel
A locked steering wheel is one of the first things to check when the key suddenly refuses to turn. The steering lock can engage after the vehicle is turned off, particularly when pressure remains against the steering wheel.
You may notice that the steering wheel feels almost solid in one direction but has a small amount of movement in the other. In this situation, the ignition itself may be perfectly functional—the steering lock is simply placing pressure on the mechanism.
Do not force the ignition key. Follow the locked steering wheel procedure below first.
Worn, Bent or Damaged Car Key
Car keys wear gradually. After thousands of insertions, the cuts along the blade can become rounded or worn enough that they no longer position the internal components of the ignition correctly.
A key can also become bent or damaged from being dropped, twisted, carried with a heavy key ring, or repeatedly used in a worn ignition.
Inspect the blade carefully. If you have an unused or less-worn spare key, try it without forcing it. A spare that operates the ignition normally while the original key does not is a strong indication that the original key is worn.
When a key is badly worn, simply making a duplicate car key directly from it can reproduce some of that wear. In some situations, a replacement key can instead be originated to the vehicle's proper key specifications.
The vehicle's VIN helps identify the exact vehicle, although the VIN itself is not the same thing as the mechanical key code.
Dirt or Debris in the Ignition
Dirt, debris, or contamination inside an ignition cylinder can sometimes interfere with normal key movement. However, an ignition is a relatively delicate lock mechanism, so avoid poking tools, wires, or other objects inside it.
If the key suddenly feels different when entering the ignition, does not insert completely, or encounters unusual resistance, do not force it farther. The problem may be contamination, but similar symptoms can also occur when an internal ignition component is damaged or out of position.
Repeatedly forcing the key or spraying an unsuitable lubricant or cleaner into the ignition can make diagnosis more difficult. If the obstruction is not obvious, have the ignition inspected rather than experimenting inside the cylinder.
Worn or Damaged Ignition Lock Cylinder
If the steering wheel is not binding and a known-good key still will not turn, the problem may be inside the ignition lock cylinder.
The ignition cylinder contains mechanical components that must align correctly with the cuts of the key. As the key and ignition wear, those components may stop aligning consistently. Symptoms can begin intermittently and become progressively worse.
Possible signs of ignition-cylinder wear include:
- The key works only occasionally.
- The key must be positioned unusually before it turns.
- More than one correctly cut key has difficulty turning.
- The ignition feels rough, catches, or binds.
- The problem has gradually become more frequent.
Do not wait until the key becomes completely stuck if the ignition has already started showing these symptoms. An automotive locksmith can inspect the key and ignition to determine which component is causing the problem.
How to Unlock a Locked Steering Wheel
If the steering wheel lock is preventing the key from turning, releasing the pressure against the steering lock may allow the ignition to operate normally.
Step 1: Check Which Direction the Wheel Moves
Gently move the steering wheel left and right. A locked steering wheel will normally have very little movement, but one direction may have slightly more movement than the other.
Do not violently rock or jerk the wheel.
Step 2: Hold the Steering Wheel While Turning the Key
Apply steady pressure to the steering wheel in the direction where it has some movement. While maintaining that pressure, gently attempt to turn the ignition key using normal pressure.
The objective is to relieve the pressure between the steering-lock mechanism and steering column—not to overpower either the steering wheel or ignition.
Step 3: Stop If the Key Still Won't Turn
If the steering wheel releases and the key turns, the steering lock was probably responsible for the problem.
If the steering wheel is not locked or releasing the pressure makes no difference, stop trying to force the key. The problem may involve the key or ignition cylinder instead.
Is It the Key or the Ignition?
A useful way to narrow down the problem is to compare multiple keys when available.
If one key works and another does not: inspect the nonworking key for wear, bending, or damage.
If both keys have the same problem: the ignition cylinder becomes a more likely suspect, especially when the steering wheel is not locked.
If the key turns but the vehicle will not start: you may be dealing with a different problem altogether. The ignition lock, electrical ignition switch, starter system, battery, transponder key, or immobilizer system can produce symptoms that are different from a key that physically refuses to turn.
If the key has broken or is no longer usable, a car key replacement may be necessary. Avoid continuing to use a visibly bent or badly damaged key because it could eventually break inside the ignition.
Vehicles With Common Ignition Problems
Ignition wear can occur on many vehicles, but some makes and models have developed recognizable key-and-ignition problems as they age. The cause should still be diagnosed rather than assuming that every vehicle from a particular manufacturer has the same failure.
Honda & Acura Ignition Problems
Some Honda and Acura vehicles can develop problems involving worn keys or ignition lock components. When the key becomes difficult to turn, both the key and ignition should be inspected before deciding which one needs replacement.
Toyota Ignition Problems
A worn key can contribute to ignition problems on some Toyota vehicles. If an accurately cut replacement key operates normally, the original key may have been the problem. If the replacement has the same difficulty, the ignition cylinder may require attention.
Saturn Ignition Problems
Some Saturn vehicles develop ignition problems associated with worn ignition components or keys. Difficulty turning should be addressed before the key becomes completely stuck.
GM Ignition Problems
Vehicles from GM brands such as Chevrolet, Cadillac, Buick, GMC, Hummer, Pontiac, and Oldsmobile can experience ignition and key wear as they age.
When the ignition becomes sensitive to the angle or position of the key, avoid forcing it. That behavior can indicate wear that should be diagnosed before the cylinder stops turning altogether.
Chrysler, Dodge & Jeep Ignition Problems
Ignition-related problems can also occur on Chrysler, Dodge, and Jeep vehicles. Because these manufacturers have used different ignition and electronic key systems across different years, diagnosis should be based on the specific vehicle.
Ford Ignition Problems
Some Ford vehicles can develop worn ignition-cylinder problems, while others may simply have a steering wheel lock placing pressure on the ignition. Checking the steering wheel and comparing the operation of a spare key can help separate these possibilities.
Key Won't Turn in Ignition FAQ
Why won't my key turn in the ignition?
The steering wheel may be locked, the key may be worn or damaged, the ignition may contain an obstruction, or the ignition lock cylinder itself may be worn or damaged.
Can a locked steering wheel stop the ignition key from turning?
Yes. Pressure against the steering-lock mechanism can prevent the ignition from turning. Gently holding the steering wheel toward the side with some movement while turning the key can release that pressure.
Should I force a key that won't turn?
No. Never force the ignition key. Excessive pressure can bend or break the key or damage the ignition components.
Can a worn key cause ignition problems?
Yes. As the cuts on a key wear, they may no longer position the ignition's internal components correctly. Trying a less-worn spare key can help determine whether the key is contributing to the problem.
Should I duplicate a badly worn key?
Not necessarily. Directly copying a badly worn key can reproduce its worn shape. When appropriate, a replacement can be originated to the proper key specifications rather than copied directly from the damaged blade.
Why does my key turn sometimes but not others?
Intermittent operation can be an early sign of key or ignition wear. If positioning or moving the key differently has become necessary to make the ignition turn, have the key and cylinder inspected before the problem becomes permanent.
What if my key turns but the engine won't start?
That is a different symptom. If the key physically turns normally, the problem may involve the battery, starter, ignition switch, fuel or engine system, transponder, immobilizer, or another electrical component rather than the mechanical ignition lock.
When should I call an automotive locksmith?
If the steering wheel is not causing the problem, a spare key also will not turn, the ignition repeatedly binds, or you are concerned that the key may break, an automotive locksmith can inspect both the key and ignition and determine the appropriate repair.
