2016 Lincoln MKS Key Won't Turn

Troubleshooting Common Issues When Your 2016 Lincoln MKS Key Won't Turn and How to Resolve Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Binding Steering Column/Lock
0%
27% chance it's the
Ignition Switch
0%
20% chance it's the
Ignition Key
0%
18% chance it's
Something else
The most common reasons a 2016 Lincoln MKS key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
  • Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
  • Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
  • Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What could be the reasons for the key not turning in a 2016 Lincoln MKS, and how should I diagnose the issue?

When faced with the frustrating issue of a key not turning in your 2016 Lincoln MKS, it's essential to adopt a systematic diagnostic approach. Start by checking the steering wheel; if it’s locked, gently turning it left and right while attempting to turn the key can often resolve the problem. Next, inspect your key for any signs of damage or excessive wear, as a faulty key may not engage the ignition cylinder properly. If the key appears fine, ensure your vehicle's battery is in good condition, as a dead or weak battery can hinder the ignition process. Additionally, confirm that the transmission is in the correct gear, typically Park or Neutral, as this is a requirement for the key to turn in many vehicles. If these initial checks do not resolve the issue, it may be time to consider more complex problems such as a worn ignition cylinder or a faulty ignition switch. In such cases, consulting a professional mechanic or locksmith is advisable for a thorough diagnosis and repair. By following this structured approach, you can effectively troubleshoot the key turning issue in your Lincoln MKS.

What are the common problems that could cause the ignition key to not turn in a 2016 Lincoln MKS?

When faced with the frustrating situation of an ignition key that won't turn in your 2016 Lincoln MKS, it's essential to understand the common problems that could be at play. One frequent culprit is binding in the steering column lock, which can occur if the steering wheel is turned while the key is in the ignition, creating tension that prevents the key from turning. Additionally, issues with the ignition switch itself may arise, where internal components wear out or fail, leading to a lack of engagement when the key is turned. Another possibility is a problem with the key or the key cylinder; a worn or damaged key can struggle to engage the cylinder properly, while debris or wear within the cylinder can also hinder functionality. Lastly, faulty wiring or electrical connections can disrupt the ignition system, preventing the key from turning altogether. By identifying these potential issues, DIYers can take the first steps toward troubleshooting and resolving the problem, whether through simple adjustments or more involved repairs.

How urgent is it to address the ignition issue in a 2016 Lincoln MKS where the key won't turn?

Addressing the ignition issue in a 2016 Lincoln MKS where the key won't turn is of utmost urgency due to several critical factors. First and foremost, a key that fails to turn can completely immobilize your vehicle, making it impossible to start and disrupting your daily activities. This inconvenience can escalate quickly, as the problem may worsen, leading to the key becoming stuck or the vehicle failing to start altogether, which could leave you stranded in an unsafe location. Moreover, safety is a paramount concern; if the ignition issue arises while driving, it could result in a sudden loss of power, compromising your control over the vehicle and increasing the risk of accidents. Additionally, neglecting this issue can lead to further damage within the ignition system or related components, resulting in more extensive and costly repairs down the line. Therefore, it is crucial to address the ignition problem promptly to ensure both the functionality and safety of your vehicle.

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