1998 Mercury Tracer Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 1998 Mercury Tracer and How to Fix Them

Find Repair Location
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 1998 Mercury Tracer 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 1998 Mercury Tracer 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.

What are the steps to diagnose the non-functioning cruise control in a 1998 Mercury Tracer?

To effectively diagnose the non-functioning cruise control in a 1998 Mercury Tracer, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the fuse associated with the cruise control system, as a blown fuse is a common and easily rectifiable problem. Next, evaluate the cruise control switch to ensure it is operational, since a malfunctioning switch can prevent engagement. Following this, check the brake pedal switch, which is crucial for safety, as it disengages the cruise control when the brake is applied. If these components are functioning correctly, turn your attention to the vehicle speed sensor, as it plays a vital role in providing the necessary input for the cruise control system. Testing the cruise control module is the next step, as it governs the system's operations and may be the source of the malfunction. Finally, inspect for any vacuum leaks within the cruise control system, as these can significantly disrupt its functionality. By methodically working through these steps, you can accurately identify and resolve the issue with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 1998 Mercury Tracer?

When dealing with cruise control issues in a 1998 Mercury Tracer, it's essential to understand the common problems that may be at play. One of the first things to check is the fuse associated with the cruise control system; a blown fuse can easily disrupt its functionality, and replacing it is a straightforward fix. Additionally, the cruise control switch itself may be faulty, which would require replacement to restore proper operation. Another critical area to inspect is the vacuum system; any leaks in the vacuum lines can significantly affect the cruise control's performance, so a thorough examination for leaks is advisable. The speed sensor also plays a vital role in maintaining speed, and if it's malfunctioning, it may need to be replaced to ensure the cruise control works correctly. Lastly, issues with the brake light switch can cause the cruise control to disengage unexpectedly, so checking this component is crucial. By systematically addressing these potential problems, you can effectively troubleshoot and resolve cruise control issues in your vehicle.

How urgent is it to repair the non-functioning cruise control in a 1998 Mercury Tracer?

When it comes to the urgency of repairing the non-functioning cruise control in a 1998 Mercury Tracer, several critical factors come into play. First and foremost, safety is paramount; a malfunctioning cruise control system can lead to erratic speed changes, increasing the risk of accidents on the road. This is particularly concerning during long drives where maintaining a steady speed is essential for safe navigation. Additionally, the comfort and convenience that cruise control offers cannot be overlooked. It significantly reduces driver fatigue during extended trips, making the driving experience more enjoyable. Furthermore, from a financial perspective, addressing this issue can enhance the vehicle's resale value. Prospective buyers are often wary of vehicles with known mechanical problems, and a functioning cruise control system can make your car more appealing in the used car market. Therefore, while the urgency may vary based on personal circumstances, it is advisable to prioritize the repair of the cruise control system to ensure safety, enhance comfort, and protect your investment in the vehicle.

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.