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.
The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.
When diagnosing the non-functioning cruise control in a 2003 Ford Explorer Sport Trac, it's essential to adopt a methodical diagnostic approach. Begin by checking the fuse associated with the cruise control system, as a blown fuse is a straightforward issue that can easily disrupt functionality. Next, inspect the cruise control switch on the steering wheel; a malfunctioning switch can prevent the system from engaging. It's also crucial to examine the wiring for any visible damage or loose connections, as these can interfere with the system's operation. Additionally, ensure that the brake lights are functioning correctly, since a failure here can cause the cruise control to disengage unexpectedly. Finally, utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. By following this structured approach, you can effectively identify and address the root cause of the cruise control malfunction, making your DIY troubleshooting more efficient and successful.
When the cruise control in a 2003 Ford Explorer Sport Trac ceases to function, several common issues may be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Another potential issue is a defective speed sensor; this component is essential for the cruise control to maintain a steady speed, and any failure here can disrupt its operation. Additionally, a blown fuse within the cruise control system can lead to a complete shutdown of the feature, making it imperative to check the fuses if you encounter problems. Vacuum leaks in the engine can also impact the cruise control's performance, causing it to disengage unexpectedly or fail to operate altogether. Lastly, a malfunctioning cruise control module can be a significant factor in the system's failure. For those looking to troubleshoot these issues, it is advisable to start with the simplest checks, such as inspecting fuses and switches, before moving on to more complex components like sensors and modules.
When evaluating the urgency of repairing the non-functioning cruise control on a 2003 Ford Explorer Sport Trac, it is essential to recognize the potential risks and inconveniences associated with this malfunction. While the immediate safety threat may not seem critical, a malfunctioning cruise control system can lead to unexpected acceleration or deceleration, which poses a significant risk on the road. Additionally, the absence of this feature can detract from the overall driving experience, particularly during long trips where maintaining a consistent speed is crucial for comfort and reducing driver fatigue. Furthermore, a properly functioning cruise control system can enhance fuel efficiency by preventing speed fluctuations that often lead to increased fuel consumption. Therefore, addressing the cruise control issue promptly is advisable not only for safety but also for convenience and cost-effectiveness in the long run. Taking action now can help ensure a smoother, safer, and more enjoyable driving experience in your Ford Explorer Sport Trac.
Read about related problems experienced by other Ford Explorer Sport Trac drivers like you.
See what others are asking about their Ford Explorer Sport Trac. Get answers from RepairPal's community of auto experts and enthusiasts.