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.
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.
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.
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 considering the urgency of repairing the non-functioning cruise control in your 1996 Land Rover Range Rover, it's essential to evaluate how this feature impacts your driving experience and safety. While cruise control is primarily a convenience, its malfunction could indicate underlying issues that may affect your vehicle's overall performance. If you often drive long distances or on highways, the absence of cruise control can lead to increased fatigue and discomfort, making it a priority for those who rely on it for a more relaxed driving experience. Conversely, if your driving is mostly confined to city traffic, you might not feel an immediate need to address the issue. However, neglecting the repair could lead to more significant problems down the line, especially if the cruise control failure is symptomatic of a larger mechanical issue. Therefore, assessing your driving habits and the potential risks associated with ignoring the malfunction is crucial in determining how urgently you should act to repair the cruise control system.
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