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.
To effectively diagnose the non-functioning cruise control in your 1998 Dodge Ram 1500, start with the simplest components before moving on to more complex systems. Begin by checking the fuse associated with the cruise control; a blown fuse is a straightforward fix that can often resolve the issue. Next, inspect the clutch switch, as a malfunction here can prevent the cruise control from engaging. Following that, examine the vacuum hoses for any signs of leaks or disconnections, as these are critical for the system's operation. It's also essential to verify the condition of the vehicle speed sensor, which plays a vital role in cruise control functionality. Additionally, ensure that the throttle linkage is operating smoothly, as any obstruction can hinder performance. Lastly, take a close look at the vacuum lines leading from the vacuum pump to the cruise control servo, as cracks or looseness in these lines are common culprits for cruise control failure. By systematically addressing these areas, you can efficiently diagnose and potentially resolve the issue with your cruise control system.
When contemplating the urgency of repairing the non-functioning cruise control in your 1998 Dodge Ram 1500, it's essential to weigh the convenience against the potential risks. While cruise control is primarily a comfort feature, its malfunction could indicate underlying issues that may affect other vehicle systems. If the problem stems from minor components like a vacuum hose or switch, it may not require immediate attention, allowing you to schedule the repair at your convenience. However, if the malfunction is linked to critical elements such as the control module or throttle actuation, addressing it sooner is advisable to prevent further complications. Additionally, a malfunctioning cruise control system could lead to driver fatigue on long trips, making it beneficial for your overall driving experience to restore its functionality. Ultimately, diagnosing the root cause of the issue will help you determine the urgency of the repair, ensuring that you maintain both comfort and safety while driving.
Read about related problems experienced by other Dodge Ram 1500 drivers like you.
See what others are asking about their Dodge Ram 1500. Get answers from RepairPal's community of auto experts and enthusiasts.