2018 Lincoln MKZ Won't Start

Resolve Starting Issues for Your 2018 Lincoln MKZ

Find Repair Location
Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2018 Lincoln MKZ won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, 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 are the initial diagnostic steps to take when a 2018 Lincoln MKZ won't start?

When your 2018 Lincoln MKZ won't start, it's essential to adopt a methodical diagnostic approach to identify the root cause. Begin by checking the battery, as a weak or dead battery is often the primary culprit behind starting issues. Ensure the battery terminals are clean and securely connected. Next, inspect the key fob; if the battery in the fob is low or malfunctioning, it may prevent the vehicle from recognizing the key, thus inhibiting the start. Additionally, confirm that there is sufficient fuel in the tank, as running out of gas can lead to a no-start condition. Pay attention to any warning lights on the dashboard, as these indicators can provide valuable insights into specific issues affecting the vehicle. If the battery appears to be the problem, attempting a jump-start can help determine if the battery is indeed the issue or if further investigation is needed. By following these straightforward steps, you can effectively troubleshoot the starting problem and take the necessary actions to get your Lincoln MKZ back on the road.

What are the common problems that could cause a 2018 Lincoln MKZ to not start?

When your 2018 Lincoln MKZ refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the battery; a dead or weak battery is often the culprit, especially if the vehicle has been exposed to extreme temperatures or if lights were left on. If the battery is functioning well, the next step is to inspect the starter motor, as a faulty starter can prevent the engine from turning over. Additionally, consider the fuel system; a clogged fuel filter or a malfunctioning fuel pump can hinder fuel delivery, making it impossible for the engine to start. Another critical component is the ignition switch; if it’s malfunctioning, it may not engage the electrical system properly. Furthermore, ensure that the alternator is working correctly, as a failing alternator can lead to a drained battery. Lastly, don’t overlook the spark plugs; worn or faulty plugs can disrupt the ignition process. By systematically checking these areas, you can identify and resolve the starting issues with your Lincoln MKZ, empowering you to tackle the problem head-on.

How urgent is it to address the starting issue in a 2018 Lincoln MKZ?

When facing a starting issue in a 2018 Lincoln MKZ, it is essential to recognize the urgency of the situation. Safety should always be the top priority; if the vehicle struggles to start or stalls unexpectedly, it poses a significant risk to both the driver and passengers. Additionally, neglecting these symptoms can lead to more severe problems, such as damage to the engine or electrical systems, which can result in costly repairs. For DIY enthusiasts, addressing these issues promptly not only ensures the vehicle remains operational but also prevents the inconvenience of unexpected breakdowns. Furthermore, if the vehicle is still under warranty, timely intervention can safeguard against out-of-pocket expenses for repairs. Therefore, it is advisable to assess and resolve any starting issues as soon as they arise to maintain the vehicle's performance, safety, and reliability.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.