1997 Lincoln Town Car Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 1997 Lincoln Town Car

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Reviewed by
Andrew Hajjar
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 1997 Lincoln Town Car 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 1997 Lincoln Town Car 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.

When the throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 non-functioning cruise control in a 1997 Lincoln Town Car?

To effectively diagnose the non-functioning cruise control in a 1997 Lincoln Town Car, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control switch located on the steering wheel; a malfunctioning switch can prevent the system from engaging. Following this, check the brake pedal switch, which is crucial since the cruise control disengages when the brake is applied. If these components are functioning correctly, turn your attention to the speed sensor, as it is vital for the cruise control to operate effectively. Additionally, inspect the vacuum lines for any leaks, as these can disrupt the system's performance. Finally, if the problem persists, utilize a diagnostic scanner to identify any error codes that may provide further insight into the issue. By following this structured diagnostic approach, you can efficiently identify and resolve the problem with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 1997 Lincoln Town Car?

When dealing with a malfunctioning cruise control system in a 1997 Lincoln Town Car, it's crucial to understand the common problems that may be at play. One of the first areas to check is the cruise control switch, as a faulty switch can prevent the system from engaging. Additionally, a blown fuse can disrupt the electrical flow necessary for the cruise control to function, so inspecting the fuses is a good starting point. Another potential issue is vacuum leaks, which can significantly affect the system's performance by disrupting the necessary pressure. The speed sensor also plays a vital role; if it's defective, it can lead to erratic behavior or complete disengagement of the cruise control. Furthermore, the brake light switch is essential for the system's operation, as any issues here can inhibit activation. Lastly, don't overlook the throttle cable, as any malfunction can hinder the cruise control's ability to maintain speed. By systematically checking these components, DIYers can effectively diagnose and address the cruise control issues in their Lincoln Town Car.

How urgent is it to repair the non-functioning cruise control in a 1997 Lincoln Town Car?

When contemplating the urgency of repairing the non-functioning cruise control in your 1997 Lincoln Town Car, it's essential to weigh several factors. While cruise control is primarily a convenience feature, its malfunction can impact your driving experience, especially on long trips where comfort is paramount. If you find that the lack of cruise control leads to increased fatigue or discomfort, prioritizing the repair may enhance your overall driving pleasure. Additionally, consider the safety implications; if the malfunction affects your ability to maintain control or focus while driving, addressing the issue becomes more pressing. Furthermore, if you plan to sell your vehicle in the future, fixing the cruise control can help preserve or even boost its resale value, making it a worthwhile investment. Ultimately, the decision hinges on your personal driving habits and the potential risks associated with the malfunction, guiding you to determine the appropriate urgency for this repair.

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