2008 Lincoln MKZ Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Lincoln MKZ and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2008 Lincoln MKZ cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
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.

How much does it cost to fix a 2008 Lincoln MKZ cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What are the steps to diagnose the cruise control issue in a 2008 Lincoln MKZ?

To effectively diagnose a cruise control issue in a 2008 Lincoln MKZ, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by examining the cruise control fuse in the fuse box, as a blown fuse can often be the root cause of the malfunction. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning correctly, as faulty buttons can disrupt the system's operation. Utilizing an OBD-II scanner to check for error codes can provide critical insights into any underlying issues related to the cruise control system. Additionally, verify the functionality of the vehicle's speed sensors, as they are integral to the cruise control's performance. If your MKZ employs a vacuum-operated system, inspect the vacuum lines for any leaks or damage that could hinder performance. Finally, test the cruise control module to confirm it is sending and receiving signals properly. By following this structured diagnostic approach, you can efficiently identify the cause of the cruise control issue and determine the necessary repairs.

What are the common problems that could cause the cruise control to stop working in a 2008 Lincoln MKZ?

When dealing with cruise control issues in a 2008 Lincoln MKZ, it's essential to understand the common problems that may be at play. One of the first components to check is the brake pedal switch, as a faulty switch can prevent the cruise control from engaging or disengaging correctly. Additionally, the speed sensor plays a crucial role in maintaining a consistent speed; if it's defective, the system may not function as intended. Another area to inspect is the fuse related to the cruise control system; a blown fuse can completely disable the feature. Furthermore, vacuum leaks in the engine can disrupt the cruise control's operation, so it's wise to examine the vacuum lines for any signs of wear or damage. Lastly, the cruise control module itself may be malfunctioning, which could lead to a failure in the system. By systematically checking these components, DIYers can identify and potentially resolve the issues affecting their cruise control system.

How urgent is it to address the non-functioning cruise control in a 2008 Lincoln MKZ?

Addressing a non-functioning cruise control in a 2008 Lincoln MKZ should be considered a priority for any DIY enthusiast. While it may not present an immediate safety hazard, the implications of ignoring this issue can lead to a less enjoyable driving experience and may signal deeper electronic or sensor problems within the vehicle. A malfunctioning cruise control system can cause driver fatigue on long trips, as it eliminates the convenience of maintaining a steady speed, which is particularly beneficial on highways. Furthermore, neglecting this symptom could result in more significant complications, potentially affecting other vehicle systems and leading to costly repairs down the line. Therefore, it is advisable to diagnose and repair the cruise control system promptly, ensuring both safety and comfort while driving. Taking the initiative to address this issue not only enhances your driving experience but also helps maintain the overall health of your vehicle.

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2008 Lincoln MKZ Cruise Control Problems & Solutions