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.
If the cruise control refuses to turn on at all, the actuator could be at fault. Likewise, if the cruise control stays on but does not maintain a consistent speed, the problem could be a bad actuator. In extreme cases, a malfunctioning actuator could cause the throttle to stick and prevent the vehicle from slowing down. These symptoms may point to a bad actuator. They may also point to other problems with the cruise control and related systems.
To effectively diagnose the non-functional cruise control in your 1990 Mitsubishi Eclipse, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the fuse box to ensure that the fuse associated with the cruise control system is intact; a blown fuse is often a straightforward fix. Next, examine the cruise control switch located on the steering wheel to confirm it is operational, as a malfunctioning switch can prevent the system from engaging. Following this, check the vacuum hoses for any signs of leaks or damage, as these are crucial for the proper functioning of the cruise control. If these components appear to be in good condition, proceed to test the cruise control module to ensure it is sending the correct signals. Finally, inspect the wiring for any loose or disconnected connections that could disrupt the system's operation. By following this methodical approach, you can effectively identify and address the issues affecting your cruise control system.
When dealing with cruise control issues in a 1990 Mitsubishi Eclipse, it's crucial 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 functionality. Additionally, the cruise control switch itself may be faulty, preventing the system from engaging properly. Another potential culprit is vacuum leaks, which can hinder the system's ability to maintain speed. It's also important to consider the speed sensor; if it's defective, it can lead to incorrect speed readings, causing the cruise control to malfunction. Furthermore, a malfunctioning brake light switch can interfere with the system's ability to engage or disengage as needed. Lastly, inspect the throttle cable for any signs of wear or damage, as issues here can significantly impact cruise control performance. By systematically checking these components, DIYers can effectively diagnose and address the cruise control problems in their Mitsubishi Eclipse.
When contemplating the urgency of repairing the non-functioning cruise control in a 1990 Mitsubishi Eclipse, it's essential to weigh the implications of leaving the issue unresolved. While cruise control is primarily a convenience feature, its malfunction can lead to distractions that may compromise safety, especially during long drives where maintaining a consistent speed is crucial. If the absence of cruise control is causing you to frequently adjust your speed manually, this could divert your attention from the road, increasing the risk of an accident. Additionally, the comfort factor cannot be overlooked; long highway trips can become tiresome without the ease that cruise control provides, potentially leading to driver fatigue. Furthermore, if you have plans to sell or trade in your vehicle, a fully functional cruise control system can enhance its appeal and resale value. Therefore, while the repair may not be immediately critical, addressing it sooner rather than later can improve your driving experience and ensure your vehicle remains in optimal condition for future transactions.
Read about related problems experienced by other Mitsubishi Eclipse drivers like you.
See what others are asking about their Mitsubishi Eclipse. Get answers from RepairPal's community of auto experts and enthusiasts.