2007 Mercury Montego Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Mercury Montego and How to Fix Them

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Reviewed by
Aisha
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 2007 Mercury Montego 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 2007 Mercury Montego 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2007 Mercury Montego?

When faced with a non-functional cruise control in your 2007 Mercury Montego, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a straightforward issue that can easily disrupt the system. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational; faulty buttons can prevent engagement. Following this, verify the speed sensor's functionality, as it is critical for the cruise control to operate correctly. Additionally, examine the brake pedal switch, which should disengage the cruise control when pressed; a malfunctioning switch can lead to failure. Utilizing a diagnostic scanner to check for error codes can provide further insights into any underlying issues. Lastly, if your vehicle relies on vacuum lines for the cruise control system, inspect these for leaks or damage. By methodically addressing these areas, you can effectively identify and resolve the cause of the cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2007 Mercury Montego?

When troubleshooting the cruise control system in a 2007 Mercury Montego, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for the system's operation as it disengages cruise control when the brake is applied. Additionally, a defective speed sensor can hinder the system's ability to maintain a steady speed, leading to operational failures. It's also wise to check for a blown fuse, as this can completely disable the cruise control system; replacing a blown fuse is a straightforward fix that can restore functionality. Furthermore, vacuum leaks in the engine can disrupt the cruise control's performance, causing it to malfunction or disengage unexpectedly. Lastly, a malfunctioning cruise control module may require replacement to ensure the system operates correctly. By systematically addressing these issues, you can effectively diagnose and resolve the cruise control problems in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2007 Mercury Montego?

Addressing a malfunctioning cruise control system in a 2007 Mercury Montego is of utmost importance due to the potential safety hazards it presents. A faulty cruise control can lead to unexpected acceleration or deceleration, which not only endangers the driver and passengers but also poses a risk to other road users. Additionally, a malfunctioning system can significantly detract from the driving experience, causing discomfort and frustration during long trips. Beyond immediate safety and comfort concerns, ignoring the issue can lead to further complications within the vehicle's systems, resulting in more extensive and costly repairs down the line. Therefore, it is crucial for owners to prioritize the diagnosis and repair of cruise control issues to ensure a safe and enjoyable driving experience while protecting their investment in the vehicle.

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