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.
A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.
When troubleshooting the non-functional cruise control in a 1999 Chevrolet Cavalier, it's important to adopt a systematic diagnostic approach that begins with the simplest checks. Start by inspecting the fuse associated with the cruise control system; a blown fuse can often be the culprit behind electrical failures. Next, examine the cruise control switch located on the steering wheel to ensure it is operational, as a faulty switch can prevent engagement. Additionally, check the brake pedal switch, which is crucial for cruise control functionality; if this switch is stuck or malfunctioning, it will inhibit the system from activating. The vehicle speed sensor is another critical component to assess, as it provides necessary speed data for the cruise control to function correctly. Lastly, inspect the vacuum lines connected to the cruise control system for any signs of leaks or damage, as these can significantly impact performance. By following these steps in order, you can effectively diagnose and potentially resolve the issues affecting your cruise control system.
When dealing with cruise control issues in a 1999 Chevrolet Cavalier, it's important to understand the common problems that may arise. One frequent culprit is a blown fuse, which can easily disrupt the electrical system and prevent the cruise control from functioning. Additionally, the brake pedal switch plays a crucial role; if it malfunctions, the system may not engage since it is designed to deactivate when the brake is pressed. Another area to investigate is the speed sensor, as any issues here can hinder the cruise control's ability to maintain a consistent speed. Furthermore, vacuum leaks can significantly impact the system's performance, leading to erratic behavior or complete failure. Lastly, a faulty cruise control module can be the root cause of the problem, as it is responsible for controlling the entire system. By systematically checking these components, DIYers can effectively diagnose and potentially resolve the cruise control issues in their Cavalier.
When evaluating the urgency of repairing the non-functioning cruise control in a 1999 Chevrolet Cavalier, it is essential to recognize that while it may not pose an immediate safety risk, the consequences of inaction can accumulate over time. The absence of cruise control can lead to increased driver fatigue, as maintaining constant pressure on the accelerator during long drives can be both tiring and distracting. This fatigue can compromise overall driving safety, especially on extended trips where focus is crucial. Additionally, the convenience of cruise control enhances the driving experience, allowing for a more relaxed journey. Without it, drivers may find themselves uncomfortable and less able to enjoy their time on the road. Furthermore, a malfunctioning cruise control system can negatively impact fuel efficiency, as inconsistent speed can lead to higher fuel consumption. Therefore, while the repair may not be urgent in the traditional sense, addressing the issue promptly can significantly enhance comfort, safety, and efficiency, making it a worthwhile endeavor for any DIY enthusiast.
Read about related problems experienced by other Chevrolet Cavalier drivers like you.
See what others are asking about their Chevrolet Cavalier. Get answers from RepairPal's community of auto experts and enthusiasts.